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Chapter 7 Class 7 Comparing Quantities

Concept wise

Last updated at May 29, 2023 by Teachoo

Ex 7.2, 11 If Meena gives an interest of Rs 45 for one year at 9% rate p.a. What is the sum she has borrowed? I = Rs 45 T = 1 year R = 9% p.a P = ? Now, I = ππ π/100 45 = (π Γ 9 Γ 1)/100 45 Γ 100 = 9P 9P = 45 Γ 100 9P = 4500 P = 4500/9 P = Rs 500 So, she has borrowed Rs 500