RPH Editorial Board Solutions for Exercise 1: MULTIPLE CHOICE QUESTIONS

If $₹7500$ are borrowed at CI at the rate of $4\%$ per annum, then after $2$ years the amount to be paid is _____.

Simple interest on a sum at $4\%$ per annum is $Rs.80$ in $2$ years. The compound interest on the same sum for the same period is:

$Rs.800$ at $5\%$ per annum compound interest will amount to $Rs.882$ in how many years?

What is the principal amount which earns $Rs.132$ as compound interest for the second year at $10\%$ per annum?

The difference between the compound interest and the simple interest on a certain sum at $5\%$ per annum for $2$ years is $Rs.1.50$. The sum is?

The compound interest on a certain sum of money for $2$ years at $10\%$ per annum is $Rs.420$. The simple interest on the same sum at the same rate and for the same time will be:

A sum amounts to $₹2916$ in $2$ years and to $₹3149.28$ in $3$ years at compound interest. The sum is:

A sum of money on compound interest amounts to $₹10648$ in $3$ years and $₹9680$ in $2$ years. What is the rate of interest per annum?