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Number of proper factors of 2400 is equa...

Number of proper factors of 2400 is equal to

A

34

B

35

C

36

D

37

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The correct Answer is:
A
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ARIHANT MATHS-PERMUTATIONS AND COMBINATIONS -Exercise For Session 5
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  3. If a1,a2,a3,.....,a(n+1) be (n+1) different prime numbers, then the n...

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  4. Number of proper factors of 2400 is equal to

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  5. The sum of the divisors of 2^(5)xx3^(4)xx5^(2), is

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  6. The number of proper divisors of 2^(p)*6^(q)*21^(r),AA p,q,r in N, is

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  7. The number of odd proper divisors of 3^(p)*6^(q)*15^(r),AA p,q,r, in N...

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  8. The number of proper divisors of 1800, which are also divisible by 10,...

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  9. Total number of 480 that are of the form 4n+2, n ge 0, is equal to

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  10. Total number of divisors of N=2^(5)*3^(4)*5^(10)*7^(6) that are of the...

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  12. In how many ways 12 different books can be distributed equally among 3...

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  14. Number of ways in which 12 different things can be divided among five ...

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  15. Number of ways in which 12 different things can be divided among five ...

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  16. The total number of ways in which 2n persons can be divided into n ...

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