Spending `12(1)/(2)%`of what sum of money`320` is spent? "

The following pie chart depicts the expenditure of a state government under different heads, If the total spending is 10 crores, how much 20% do money was spent on roads?

(2 1/2)% of 320 people

Compound Interest on a sum of money is Rs. 350 in 4 years at 33(1)/(3) % per annum. Find that sum.

The difference in simple interest and compound interest on a certain sum of money in 2 years at 10 % p.a. is Rs. 50. The sum is

12% of a sum of money is Rs 42. What is 20% of the same sum?