10th Class Mathematics Real Numbers Question Bank Case Based (MCQs) - Real Numbers

The sum of exponents of the prime factors of the number of sweets that can be placed in each stack for this purpose, is:

A) 5

B) 2

C) 4

D) 6

Correct Answer: B

Solution :

Sol. We have proved that the number of sweets that can be placed in each stack = 10

\[\therefore \] Prime factor of \[10={{2}^{1}}\times {{5}^{1}}\]

\[\therefore \] Sum of exponents \[=1+1=2\]

So, option [b] is correct.