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In a parking lot one hundred, one year o...

In a parking lot one hundred, one year old cars, ar parked. Out of them five are to be chosen at random for to check its pollution devices. How many different set of five cars can be chosen?

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In a parking lot one hundred one year old cars, are parked. Out of them five are to be chosen at random for to check its pollution devices. How many differenet set of five cars can be chosen ?

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A person wants to buy a car. There are two brands of car available in the market and each brand has 3 veriant models and each model comes in five different colours. In how many ways she can choose a car to buy?

A bag contains four one-rupee coins, two twenty-five paisa coins, and five ten-paisa coins. In how many ways can an amount, not less than Rs. 1 be taken out from the bag? (Consider coins of the same denominations to be identical.) a. 71 b. 72 c. 73 d. 80

Five different digits from the setoff numbers {1,2,3,4,5,6,7} are written in random order. How many numbers can be formed using 5 different digits from set {1,2,3,4,5,6,7} if the number is divisible by 9?

NCERT TAMIL-COMBINATORICS AND MATHEMATICAL INDUCTION-EXERCISE 4.3
  1. There are 15 persons in a party and if each 2 of them shakes hands wit...

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  2. How many chords can be drawn through 20 points on a circle?

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  3. In a parking lot one hundred, one year old cars, ar parked. Out of the...

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  4. How many ways can a team of 3 boys , 2 girls and 1 transgender be sele...

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  5. Find the total number of subsets of a set wth 4 elements

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  6. Find the total number of subsets of a set with 5 elements

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  7. Find the total number of subsets of a set with n elements

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  8. A trust has 25 members. How many ways 3 officers can be selected?

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  9. A trust has 25 members. In how many ways can a President, Vice Presi...

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  10. How many ways a committee of six persons from 10 persons can be chosen...

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  11. How many different selections of 5 books can be made from 12 different...

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  12. How many different selections of 5 books can be made from 12 different...

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  13. There are 5 teachers and 20 students. Out of the them a committee of 2...

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  14. There are 5 teachers and 20 students. Out of the them a committee of 2...

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  15. In an examination a student has to answer 5 questions, out of 9 questi...

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  16. Determine the number of 5 card combinations out of a deck of 52 cards ...

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  17. Find the number of ways of forming a committee of 5 memebers out of 7...

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  18. A commiittee of 7 peoples has to be formed from 8 men and 4 women. In ...

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  19. A commiittee of 7 peoples has to be formed from 8 men and 4 women. In ...

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  20. A commiittee of 7 peoples has to be formed from 8 men and 4 women. In ...

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