Question

The difference between the number of numbers from $2$ to $100$ which are not divisible by any other number except and itself and the numbers which are divisible by atleast one more number along with one and itself.

• A. $25$
• B. $50$
• C. $49$
• D. None of these

Answer 1

The correct option is D None of these

Prime no. between $=2$ and $100$
$=3,5,7$, .................
There sum $=3+5+7$.................
Sum of composite no. $=4+6+8+$...........$99$
Which will be more than all the given option any how.
$\therefore$ Answer is (d).