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The simple interest on a sum of money is 4/25 of the sum. If the number of years is numerically 1/4th of the rate of interest per annum. Find the rate of interest for that amount is lent?
Answer (Detailed Solution Below)Option 3 : 8% p.a. Free 10 Questions 10 Marks 10 Mins Given: Simple interest = 4/25 of sum Formula Used: Simple interest = Principal × Rate of interest × Number of years/100 Calculation: Let assume that Simple interest = 4x Principal = 25x Rate of interest = R Number of years = R/4 Simple interest = Principal × Rate of interest × Number of years/100 ⇒ 4x = 25x × (R/100) × R/4 ⇒ R2 = 64 ⇒ R = 8% p.a. ∴ The rate of interest is 8% p.a. The correct option is 3 i.e. 8% p.a. Last updated on Sep 22, 2022 The Kendriya Vidyalaya Sangathan (KVS) is soon be going to release the official notification for the KVS Recruitment 2022. A total of 8339+ vacancies are expected to release for recruitment. Candidates with a Master's degree and B.Ed are eligible to appear for the recruitment process. The selection of the candidates depends on their performance in the Written Test and Interview rounds. With an expected KVS Salary range between Rs. 47,600 to Rs. 151,100, it is a golden opportunity for job seekers. Stay updated with the Quantitative Aptitude questions & answers with Testbook. Know more about Interest and ace the concept of Simple Interest.
Post your comments here:Name *: Email : (optional) » Your comments will be displayed only after manual approval. What rate of interest per annum would an amount $425 yield a simple interest of $102 in three years?Therefore the Rate of Interest per annum would be 15 %.
At what rate of interest per annum would an amount $425 yield a simple interest of?∴Rate=7% p.a.
At what rate of interest will ₹ 630 produce an simple interest of ₹ 126 in 4 years?=R=P×T100×I=630×4100×126=20100=5%
At what rate of interest per annum will a sum of $400 a simple interest of 120 dollars in 3 years?Sum of Rs 400/- for 3 years at simple interest at 5% per annum. ∴ The amount is Rs. 460.
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