If `(0.15xx x)` is equal to `12.5%` of 3, then find x.

If x% of 25 is equal to y% of 15 and y% of 15 is equal to 25% of 20, then find the value of x.

12.5% of 192 = 50% of x, then x =

The sum of two numbers is 4500. If 10% of one number is 12.5% of the other, find the numbers.

If 15% of Y is same as 21% of Z, then 12.5% of Y is equal to what per cent of Z?

Difference of two numbers is 1660.If 7.5% of one number is 12.5% of the other, then find both numbers

The half-life of a radioactive nucleide 'X is 24 hours, the time required for 12.5% of the original X to remain is :