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In how many ways 3 different numbers whi...

In how many ways 3 different numbers which are in A.P. can be selected from 1, 2, 3, ... 10

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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-ADDITIONAL EXERCISE
  1. Find the number of even proper divisors of 2^(3)3^(2)5^(3)

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  2. In how many ways 4900 can be expressed as product of 2 positive intege...

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  3. In how many ways 3 different numbers which are in A.P. can be selected...

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  4. Find the maximum number of points into which 4 circles and 4 straight ...

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  5. If a set of 'm' parallel lines intersect another set of 'n' parallel l...

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  6. A question paper is divided into 3 sections A, B and C containing 3, 4...

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  7. Find the number of ways of forming a committee of 5 members out of 5 m...

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  8. Find the number of ways of forming a committee of 5 members out of 5 m...

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  9. Find the number of ways of forming a committee of 5 members out of 6 I...

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  10. In how many ways 40 students of a class can be divided into two equal ...

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  11. If 20 persons are sitting in a row, find the number of ways of selecti...

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  12. Find the number of triangles whose angular points are at the angular p...

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  13. Find the number of integers from the set {1,2,3,...1000}, which are di...

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  14. Find the number of positive integers from 1 to 1000. Which are divisib...

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  15. There are 4 Oranges, 4 apples and 6 mangoes in a fruit basket. In how ...

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  16. There are 4 Oranges, 4 apples and 6 mangoes in a fruit basket. In how ...

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  17. A binary sequence of length n is a sequence of length n such that each...

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  18. A binary sequence of length n is a sequence of length n such that each...

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  19. In how many ways can 5boys and 5girls be seated at a round table, if b...

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  20. Find the number of 4 letter words that can be formed from the letters ...

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