4by5 of a certain number is 64 Half of that number is:
Soln Date / Update:-22-Jul-2025 05:55PM
Solution:-
Exercise - 2 (A) Q-31.
4by5 of a certain number is 64 Half of that number is:
(A) 32 (B) 40
(C) 80 (D) 16
Soln:-
Let the certain number = x
A/Q, 4 / 5 of x = 64
4 / 5 * x = 64
x = ( 64 * 5 ) / 4
x = 80
Now, A/Q, half of that number
= 80 of 1 / 2
= 80 * 1 / 2
= 40 Ans.
