1. Naditraya – The three nadis of the body are Ida, Pingala and Susumna.
  2. Purusatraya – The three classes of men are Uttama (best), Madhyama (mediocre) and Adhama (lowest).
  3. Pramanatraya- The three kinds of means of valid knowledge are Pratyaksa (what can be seen), Anumana (what can be logically inferred) and Agama (Verbal testimony)
  4. Brahmalaksanatraya- Suddha, Siva and Santa are the three Brahmalaksanas.
  5. Munitraya- The celebrated trio of sages are Panini, Patanjali and Katyayana.
  6. Yogatraya – The three kinds of yogas are: Jnanayoga, Bhaktiyoga and Karmayoga.
  7. Rititraya- The three ritis are Vaidarbhi, Pancali and Gaudi.
  8. Rupakatraya – Natya, Nrtya and Nrtta are the three rupakas.

10. Vaisyavrttitraya- The three duties of a Vaisya are Krishi (agriculture), Pasupalana (Breeding of cattle) and Vanijya ( trade) .

11. Saranatraya – Buddha, Dharma and Sangha are the three Saranas.

12. Siddhitraya- The following groups of three are considered to be Siddhitrayas. (a) Karmasiddhi, Yogasiddhi and Jnanasiddhi. (b) Aisvaryasiddhi, Jnanasiddhi and Vairagyasiddhi. (c) Sraddha, Vitta and Bhagya. (d) Mani, Mantra and Ausadha. (Siddhi means attainment, accomplishment).

13. Svaratraya -The different kinds of vowel are three in number namely Hrasva (short), Dirgha (long) and Pluta (prolated). Udatta, Anudatta and Svarita are also three different kinds of accent, i.e. the acute, grave and circumflexed).

14. Trimurti – Many world religions contain triple deities or concepts of trinity, including: the Christian Holy Trinity, the Hindu Trimurti(The Trimurti: Brahma the Creator, Vishnu the Preserver, and Shiva the Destroyer), The Three Jewels of Buddhism, the Three Pure Ones of Taoism, the Triple Goddess of Wicca.

15. In Vietnam, there is a superstition that considers it bad luck to take a photo with three people in it; it is professed that the person in the middle will die soon.

16. There is another superstition that it is unlucky to take a third light, that is, to be the third person to light a cigarette from the same match or lighter. This superstition is sometimes asserted to have originated among soldiers in the trenches of the First World War when a sniper might see the first light, take aim on the second and fire on the third.

17. A hat-trick in sports is associated with succeeding at anything three times in three consecutive attempts, as well as when any player in ice hockey or soccer scores three goals in one game (whether or not in succession). In cricket, if a bowler takes 3 wickets in a row it is called a hat trick.

18. A threepeat is a term for a team that wins three consecutive championships.

19. A triathlon consists of three events: swimming, bicycling, and running.

20. Three Phase – In electrical engineering, three-phase electric power systems have at least three conductors carrying alternating current voltages that are offset in time by one-third of the period.

21. One should not indulge in these three activities before noon – drinking alcohol, sex and gambling.

22. Three goddesses – Saraswati, Lakhsmi, Parvathi

23. Three goddesses of knowledge – Gayathri, Savithri, Saraswati (goddess of mind, goddess of deed and goddess of word)

24. Triple qualities of mind – Sattva, Rajas, Tamas.

25. Three states of consciousness – awake, sleep and dream.

26. God’s attributes are: omniscience, omnipresence, and omnipotence.

27. Thought, word, and deed, complete the sum of human capability. (Iccha Shakti, jnana Shakti and kriya Shakti)

28. In Japanese culture, the Three Treasures are, Mirror, Sword and Jewel–that being Truth, Courage and Compassion.

29. Nobel peace medal – The reverse side of the Nobel peace medal shows three naked men embracing one another – a symbol of the international fraternization that Nobel wished to contribute to through the Peace Prize. The inscription is in Latin: Pro pace et fraternitate gentium (For peace and fraternity among peoples).

30. Primary Colours – Only three primary colours are needed to mix most other colours; red, yellow and blue.

31. Lies -According to Benjamin Disraeli (British Prime Minister, 1804-1881) there are three degrees of lies:  Lies – Damned Lies – Statistics

32. Troika – The word “troika” is a Russian word for threesome, triplet or trio. A Troika is three-horse harnessed sledge. Troika is also the name of a traditional Russian dance. The dancers dance in groups of three. A Troika also means a committee consisting of three members. During the rule of Stalin, the Troika was used to speed up the prosecutions of people accused of political crimes. In that meaning a Troika consisted of three judges and replaced the normal legal system.

33. Three Grains – An old superstition from Britain states that it is lucky to find three whole grains in a loaf of bread. Another bread superstition says it if you take three loaves of bread out of the oven at one time, a death of someone you know will occur within a year.

34. Tri- means three. So triangles have three sides, tripods have three legs and the dinosaur triceratops had three horns. The French and the Indian flags are called tricolour flags because it has three colours. Trigonometry is a branch of mathematics based on measuring triangles.

35. Three-dimensional means that something has length, width and depth.

36. In Hindu philosophy number three represents AUM (OM) in its diagrammatic aspect which is considered to be primordial.

37. Number three is considered as a highly sacred number that represents the Trinal Lords Brahma, Vishnu, Maheshwara and their energies Saraswathi, Lakshmi and Paarvathi. Known as Trimoorthi (Trinity) they are highly revered in Hindu philosophy.

38. Sacred Yagnopaveetham is the triple stranded sacrificial thread joined by a knot called Brahmagranthi that is worn by those initiated into the Gaayathri recital.

39. Triguna – There are three states of mind or three natures or three temperaments that rule the behaviours of humans viz. Saatvika (humble and peace loving), Raajasa (aggressive) and Taamasa (inertia ridden).

40. Tridalam-Trigunaakaram –Sacred Bilva pathra used especially in the worship of Lord Shiva is a confluence of three leaves trifoliate, which is a symbolic representation of Lord Shiva’s weapon Trident (Trishoola). It represents the Trinal Lords Brahma, Vishnu and Maheshwara. It also represents the three qualities Sattva, Rajo and Tamo gunas and a symbolic representation of three syllables of Omkaara. Bilva dala also represents the three eyes of Lord Shiva who is known as Trinethra.

Three symbolises Divine perfection and completeness. It is the symbolic representation of the Trinity in many religions. In Hinduism, it is the Trinity of Brahma, Vishnu and Siva. In Christianity it is the trinity of Father, son and the Holy Spirit. No 3 is also a symbol for Siva because he is the third in the trinity, has three eyes (trinetra), carries a weapon called Trishul and has three braids (trijada). The number three also represents AUM, as it represents three states of consciousness. The importance of the number three is indicated below :

  1. Agnitraya (Three agnis)  – The three agnis are Daksina, Garhapatya and Ahavaniya. Of these the first is in the shape of a semi-circle, the second in the shape of a full circle and the third, a square.
  2. Adhamatraya. (Three kinds of low people)- The three classes of people who are considered to have a very low position in society are the wifeless, sonless and servant-less ones.
  3. Abhijatavihitatraya- (Three dealings with men of equal nobility). The three important dealings which should be had with only people of equal nobility are alliance, marriage and litigation.
  4. Abhinayatraya. (Three kinds of acts) – The three kinds of acts are the Hastabhinaya (actions with the hand), Angyabhinaya (actions with gestures) and Rasabhinaya (actions with expressions of sentiment).
  5. Avasthatraya –  Man lives always in any one of the following states : Wakefulness, Dreaming and Sleep.
  6. Avasthabhedatraya –  The three different forms in which matter exists are as Ghana, (solid) Drava( liquid) and Vataka ( gas )
  7. Asanatraya – Three kinds of important postures are Virasana, Padmasana. and Svastikasana.
  8. Itivrttatraya – The three kinds of plots in a story are Prakhyata, Utpadya and Misra.
  9. Rnatraya – The three different kinds of debts of man are Deva-rna (debts to gods), Pitr-rna (debts to the Manes) and Rsi-rna (debts to rsis).

10. Esanatraya – Esana means desire. The three kinds of esanas are Putraisana (desire for children), Vittaisana (desire for wealth) and Daraisana (desire for wife).

11. Karanatraya- The three instruments of action are mind, speech and body.

12. Karmatraya- The three actions are Srsti (creation), Sthiti (maintenance) and Sariihara( destruction). Yaga, Vedapadiana and Dharma also form one Karmatraya.

13. Karmakaranatraya – The three kinds of causes of action are knowledge, what is to be known and what has already been known (Jnana, Jneya and Jnata).

14. Kalatray – Past, present and future are the three divisions of time.

15. Kavyatraya – Gadya (prose), Padya (verse) and Misra (combination of gadya and padya) are the three different constituents of literature.

16. Kavyagunatraya- The three chief qualities of poetic compositions are Prasada( clearness of style), Madhurya (sweetness of style) and Ojas (force of expression).

17. Kavyopadhitraya – The three main attributes of poetic compositions are Vastu (plot), Riti (diction) and Rasa (sentiment).

18. Gandharvadharmatraya- The three duties assigned to a Gandharva are Pujyaseva (serving venerable people worthy of worship), Nrtyagitavadyaparijnana (study of dance, music and instrumental music) and remaining devoted to Sarasvati (goddess of learning).

19. Gunatraya- The three distinguishing properties of nature (gunas) belonging to all created beings are Sattvaguna, Rajoguna and Tamoguna.  The three good qualities (gunas) of Man are Satya (truth), Sadacara (good conduct) and Lajja (modesty). The three results or benefits (gunas) to which man aspires are Dhana (wealth), Kirti(fame) and Svarga (heaven).

20. Gurutraya – The three gurus are Mata (mother) Pita (father) and Acarya (preceptor). Guru, Paramaguru and Paramesthiguru are also three gurus.

21. Tapatrayas – The three kinds of miseries ( which human beings have to surfer in this world are Adhyatmika (of the body and mind), Adhibhautika (inflicted by animals/nature) and Adhidaivika (by fate). The other three tapas (agonies) are Anaksarajnasambhasana (conversing with illiterate persons), Dusprabhusevana (serving arrogant masters) and Lambapayodharalingana (embracing women with hanging breasts).

22. Tauryatrika – The three constituents of triple symphony arc Dance, Music and Instrumental music.

23. Jatitraya – The three distinguishing types of all created beings are Uttama (best), Madhyama (mediocre) and Adhama (worst).

24. Dosatraya – The disorders of the three humours of the body are Vata (wind), Pitta (Bile) and Kapha (phlegm). Avyapti, Ativyapti and Asambhava are also three dosas (fallacies).

25. Triputikas – Jnata (knower), Jnana (knowledge) and Jneya  (the object of knowledge ) are the three putikas. Subject, predicate and object are also three putikas.

26. Tripuras – The three demons who always formed a group are Tarakaksa, Kamalaksa and Vidyunmali.

27. Tribhuvana- Svarga (heaven), Bhumi, (earth) and Patala (Netherworld) are the three bhuvanas. (Worlds).

28. Trimadhura- The three sweet things are honey, sugar and Kadali (plantain fruit).

29. Trimurtis – The three Murtis (deities) are Brahma, Visnu and Mahesvara.

30. Trilinga- The three lingas (genders) are Pullinga (masculine), Strilinga (feminine) and Napumsaka (neuter).

31. Triloka- The three worlds are Manusyaloka (world of men), Pitrloka (world of the Manes) and Devaloka (world of the gods).

32. Trivarga- The following groups of three are classed as Trivargas (a) Dharma (Virtue), Artha (wealth) and Kama (desire), (b) Vrddhi (increase) Sthana (same position) and Ksaya (decrease), (c) Sattva, Rajas and Tamas.

33. Pralayatraya- The three pralayas (floods) are Naimittika (floods due to rains in and out of season) Prakrtapralaya (floods arising out of samvarttagni) and Atyantikapralaya (floods due to heavy rains).

34. Trividhayajnas- Yajnas are of three kinds. Karmayajna, Upasanayajna and Jnanayajna. There are six divisions in Karmayajna namely, Nityakarma, Naimittikakarma, Kamyakarma, Adhyatmikakarma, Adhidaivikakarma and Adhibhautikakarma. For Upasanayajna there are nine divisions namely, Nirgunopasana, Sagunopasana, Bhutapretopasana, Mantrayogavidhi, Astangayogavidhi, Layayogavidhi, Rajayogavidhi, Avataropasana and Maharsidevopasana. Jnanayajna has got three divisions namely, Manana, Nididhyasana and Sravana.

35. Trivrtti – Vaidarbhi, Pancali and Gaudi are the three Kavyavrttis.

36. Triveda- The three Vedas are Rgveda, Yajurveda and Samaveda.

37. Trisakti – The three kinds of powers are power of wealth and position, power of endeavour and power of good counsel (Prabhusakti, Utsahasakti and Mantrasakti).

38. Trisariras- The three bodies or physical adjuncts of a soul are Sthula, Suksma and Karana and the three bodies of Paramatman are Isa, Sutra and Virat.

39. Trisandhyas – Prabhata (morning), Madhyahna (midday) and Sayahna (evening) are the three Sandhyas (union of two divisions of time).

40. Dusanatraya- Vata, Pitta and Kapha are the three dusanas (disorder of the humours in a body).

20. Upacaras. – There are ten articles of worship: (1) Arghya (oblation of valuables ) (2) Padya ( water for washing feet) (3) Acamana (water for cleansing mouth) (4) Madhuparka (a mixture of honey with four other sweet articles) (5) Punaracamana (water for cleansing mouth again) (6) Gandha (Sandal paste) (7) Puspa (flowers) (8) Dhupa (frankincense) (9) Dipa (light) (10) Nivedya (articles of food offerings).

21. Upanisads – There are many Upanisads of which only 108 ones are in print; of these the most important are ten in number and they are the following : (1) Isavasya (2) Kena (3) Katha (4) Prasna (5) Munda (6) Mandukya (7) Chandogya (8) Taittiriya (9) Aitareya (10) Brhadaranyaka.

22. A collection of ten items (most often ten years) is called a decade.

23. Decathlon, a combined event in athletics consisting of ten track and field events.

24. In football, the number 10 is traditionally worn by the team’s playmaker.

25. In basketball: the top of the rim (goal) is 10 feet from the floor. In standard full-court basketball, there are 10 players on the court (5 on each team).

26. In cricket, 10 is the number of wickets required to be taken by the bowling side for the batting side to be bowled out.

27. In ten-pin bowling, 10 pins are arranged in a triangular pattern and there are 10 frames per game.

28. Counting from one to ten before speaking is often done in order to cool one’s temper.

29. British Prime Minister lives in house number 10 Downing Street.

30. If a number ends with a zero it is exactly divisible by ten.

31. We have ten digits on our hands, and ten is the base of our number system: the decimal system. The Roman symbol for ten is X, perhaps representing two crossed hands. (Or two 5(V in Roman) put together).

32. Deca- means ten. So a decade is ten years, a decagon has ten sides and a crab is a decapod because it has ten feet. The Decalogue is a name for the biblical Ten Commandments.

33. Ten key attributes for business success – Leadership, confidence, optimism, energy, independence, creative power, success, original, adaptable, individualization and determination.

34. The number 10 relates to the Wheel of Life in the Tarot deck.  It is the first digit with the zero in the scale of vibrations and endows the individuals with extra vitality.  They may use this vitality to earn the crown of attainment and to maintain the symbol of wholeness.

35. Represent the Creator (0) and the creation (1).

36. The ten plagues of Egypt sent by God by the intermediary of Moses, according to the Bible: the water changed into blood, the frogs, the midges, the big flies, the plague on the animals, the epidemic of ulcer and tumours, the hail and the thunder, the grasshoppers, the three darkness days, finally the death of the firstborns in each Egyptian family.

37. Ten mahavidyas – The name Mahavidyas comes from the Sanskrit roots, with maha meaning ‘great’ and vidya meaning, ‘revelation, manifestation, knowledge, or wisdom. Shaktas believe, “the one Truth is sensed in ten different facets; the Divine Mother is adored and approached as ten cosmic personalities,” The Mahavidyas are considered Tantric in nature, and are usually identified as:

1.Kali – The ultimate form of Brahman, “Devourer of Time” (Supreme Deity of Kalikula systems)

2.Tara – The Goddess as Guide and Protector, or Who Saves.Who offers the ultimate knowledge which gives salvation (also known as Neel Saraswati).

3.Tripura Sundari (Shodashi) – The Goddess Who is “Beautiful in the Three Worlds” (Supreme Deity of Srikula systems); the “Tantric Parvati” or the “Moksha Mukta”.

4.Bhuvaneshvari – The Goddess as World Mother, or Whose Body is the Cosmos

5.Bhairavi – The Fierce Goddess

6.Chhinnamasta – The self-decapitated Goddess[5]

7.Dhumavati – The Widow Goddess,or the Goddess of death.

8.Bagalamukhi – The Goddess Who Paralyzes Enemies

9.Matangi – the Prime Minister of Lalita (in Srikula systems); the “Tantric Saraswati”

10.Kamala – The Lotus Goddess; the “Tantric Lakshmi”

38. Ten Golden rules – Living the good life doesn’t require a lot of money. “The Ten Golden Rules” condenses the wisdom of the ancient Greeks into 10 memorable and easy-to-understand rules that, if lived by, can enable modern readers to have rich, meaningful lives. They are (1). Examine life (2). Worry only …about those things under your control (3). Treasure friendship (4). Experience true pleasure (5).Master yourself, (6). Avoid excess (7). Be a responsible human being (8). Don’t be a prosperous fool (9). Don’t do evil to others (10). Kindness to others tends to be rewarded

39. Ten is the highest score possible in Olympic competitions called “perfect ten”.

40. The Richter scale is measured in tenfold increase of energy. The Richter scale measures the strength of earthquakes. It is named after Charles Richter who developed the scale.Using this scale an earthquake with 7 points is ten times more powerful than an earthquake with 6 points.An earthquake with colossal 10 points on the Richter scale has never been recorded. Earthquakes at 6 and above are considered to be serious and can cause a lot of damage.

41.  There are ten Sikh Gurus – 1 Guru Nanak 2 Guru Angad 3 Guru Amar Das 4 Guru Ram Das 5 Guru Arjan 6 Guru Har Gobind 7 Guru Har Rai 8 Guru Har Krishan 9 Guru Tegh Bahadur 10 Guru Gobind. Guru Granth Sahib is considered as Guru these days.

42. Dasa mutrika – Urine of these 10 – elephant, buffalo, camel, cow, goat, sheep, horse, donkey, man and woman.

43. Dasabala (The ten power of Buddhas) – The first power (Sthanasthana Jnanabala) of the Buddhas is perfect knowledge of the appropriate and inappropriate. The second power (Karmavipaka Jnanabala) is knowing the fruition of actions which means knowing the workings of karma. The third power (Nana adhimukti Jnanabala) is knowing the degree of intelligence of beings. The fourth (Nanadhatu Jnanabala) is knowing the various temperaments of beings. The fifth power (Indriyaparaqpara Jnanabala) is the knowledge of the interests of beings. The sixth power (Sarvatragamipratipatha Jnanabala) is the knowledge of the path which leads everywhere. The seventh power (Sarvadhyana vimoksa samadhi samapatti samklesa vyavadana vyavasthana Jnanabala)  is knowing meditative stability without any defilement. The eighth power (Purvanivasanusmrti Jnanabali) is remembering former states. The ninth power (Cyutyupaptti Jnanabala) is divine vision which provides knowledge of the future. The tenth power (Asrava ksaya Jnanabala) is the knowledge of the pacification of all impurities.

44, Dasa Kamajavyasana – The tenfold vices springing from love of pleasure – Hunting, gambling, sleeping by day, censoriousness, (excess with) women, drunkenness, (an inordinate love for) dancing, singing, and music, and useless travel are the tenfold set (of vices) springing from love of pleasure.

45. Dashlakshana – These are the ten Lakshana of Dharma: Uttam Kshama (forbearance), Uttam Mardava (gentleness), Uttam Aarjava (uprightness), Uttam Satya (truth), Uttam Shauch (purity), Uttam Sanyam (restraint), Uttam Tap (austerity), Uttam Tyaga (renunciation), Uttam Aakinchanya (lack of possession) and Uttam Brahmcharya (chastity), as described by Umaswati in Tattvartha Sutra.