SATHEE: Permutations And Combinations Question 196

Permutations And Combinations Question 196

Question: If $ a,\ b,\ c,\ d,\ e $ are prime integers, then the number of divisors of $ ab^{2}c^{2}de $ excluding 1 as a factor, is

Options:

A) 94

B) 72

C) 36

D) 71

Show Answer

Answer:

Correct Answer: D

Solution:

The numbers of divisors $ =(1+1)(2+1)(2+1)(1+1)(1+1)-1=71 $ .

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Permutations And Combinations Question 196

Question: If $ a,\ b,\ c,\ d,\ e $ are prime integers, then the number of divisors of $ ab^{2}c^{2}de $ excluding 1 as a factor, is

Options:

Answer:

Solution:

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