Ex 7.2, 10 - Chapter 7 Class 7 Comparing Quantities

Last updated at Dec. 16, 2024 by

Ex 7.2, 10 - What rate gives Rs 280 as interest on a sum of Rs 56,000 - Ex 7.2

part 2 - Ex 7.2, 10 - Ex 7.2 - Serial order wise - Chapter 7 Class 7 Comparing Quantities

Remove Ads

Transcript

Ex 7.2, 10 What rate gives Rs 280 as interest on a sum of Rs 56,000 in 2 years? I = Rs 280 P = Rs 56,000 T = 2 years R = ? Now, I = 𝑃𝑅𝑇/100 280 = (𝟓𝟔𝟎𝟎𝟎 × 𝑹 × 𝟐)/𝟏𝟎𝟎 280 = 560 × 2R 560 × 2R = 280 R = 𝟐𝟖𝟎/(𝟓𝟔𝟎 × 𝟐) R = 140/560 R = 14/56 R = 14/56 R = 7/28 R = 1/4 R = 0.25 ∴ Rate of interest = 0.25% p.a

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo