# NCERT Class 7 Mathematics Solutions: Chapter 8 – Comparing Quantities Exercise 8.3 Part 6 (For CBSE, ICSE, IAS, NET, NRA 2022)

Get unlimited access to the best preparation resource for CBSE/Class-7 : get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-7.

1. What rate gives as interest on a sum of in years?

Answer:

Principal ,

Simple Interest (S. I.) ,

Time (T) years

Simple Interest

So, the rate of interest on sum is

2. If Meena gives an interest of for one year at rate p. a. What is the sum she has borrowed?

Answer:

Simple Interest ,

Rate (R) p. a

Time (T) years

Simple Interest

So, the rate of interest on sum is .