15 Questions 15 Marks 9 Mins
Given: Principal = Rs. 7,000 Amount = Rs. 10,360 Time = 6 years Formula used: SI = PRT/100 Amount = SI + P Where, SI = Simple interest, P = Principal, R = Rate, T = Time Calculation: SI = 10360 - 7000 = 3360 SI = 3360 SI = PRT/100 According to the question, ⇒ 3360 = (7000 × R × 6)/100 ⇒ 3360 = 420 × R ⇒ R = 3360/420 ⇒ R = 8% ∴ The required rate of interest is 8%. India’s #1 Learning Platform Start Complete Exam Preparation
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Mock Tests & Quizzes Trusted by 3.4 Crore+ Students Your browser is no longer supported. Update it to get the best YouTube experience and our latest features. Learn more Given : P = Rs. 7,000; A = Rs. 9,317 and r = 10%. ∴ A = `P( 1 + r/100)^n` ⇒ `9,317 = 7,000( 1 + 10/100)^n` ⇒ `(9,317)/(7,000) = ( 11/10)^n` ⇒ `(1,331)/(7,000) = ( 11/10)^n` ⇒ `(11/10)^3 = ( 11/10 )^n` On comparing, |