My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
NCERT · Class 7 · Maths

Chapter 7: Comparing Quantities

Practice each question, then open the answer or worked solution.

Exercise 8.3

Textbook page 171 · 11 questions
Q11Written answer

Meena gives an interest of ₹ 45 for one year at 9% rate p.a. What is the sum she has borrowed?

Show solutionHide solution
Worked solution

Solution:-

From the question it is given that, SI = ₹ 45, R = 9%, T = 1 year, P =?

SI = (P × R × T)/100

45 = (P × 9 × 1)/ 100

P = (45 ×100)/ 9

= 5 × 100

= ₹ 500

Hence, she borrowed ₹ 500.

Disclaimer:

Dropped Topics – 8.1 Introduction and 8.2 Equivalent ratios.
BYJUS Classes Doubt solvingBYJUS Classes Doubt solving