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RS Aggarwal - Mathematics — BookChapter 11. Compound InterestSubject Maths - Class 8thQ. No. 21 of Exercise 11BListen NCERT Audio Books to boost your productivity and retention power by 2X. 21 In how many years will Rs. 6250 amount to Rs. 7290 at 8% per annum, compounded annually? Let time = n years P = Rs.6250 A = Rs.7290 R = 8% per annum Now, Amount (A) = P (1 + R/100)n [Where, A = Amount with compound interest P = Present value R = Annual interest rate n = Time in years] ∴ A = P (1 + R/100)n ⇒ 7290 = 6250 (1 + 8/100)n ⇒ (1 + 2/25)n = 7290/6250 ⇒ (27/25)n = 729/625 ⇒ (27/25)n = (27/25)2 ⇒ n = 2 ∴ Time = 2 years. The compound interest obtained on Rs. 6,250 for two years at the rate of interest 8% per annum, compounded annually, will be:This question was previously asked in SSC MTS 2020 (Held On : 13 Oct 2021 Shift 3 ) Official Paper 21 View all SSC MTS Papers >
Answer (Detailed Solution Below)Option 1 : Rs. 1,040 Free CUET/DU General Knowledge Mock Test 10 Questions 50 Marks 7 Mins Given Principal = Rs. 6,250 Time = 2 years Rate = 8% per annum Formula used A = P(1 + r%)t where p and r are principal and rate respectively Compound interest = Amount - Principal Calculation A = 6250 (1 + 8%)2 ⇒A = 6250 × (108/100) × (108/100) ⇒A = 6250 × (27/25) × (27/25) ⇒A = 10 × 27 × 27 ⇒A = 7290 Compound interest = 7290 - 6250 ⇒1040 ∴ Compound interest is Rs.1040 Last updated on Sep 27, 2022 The NTA (National Testing Agency) has released the CUET Phase VI Admit Card. The exam will be conducted at 489 examination centres across India. As per the notice, the exam is scheduled to be conducted on 24th August, 25th August, and 26th August 2022. Candidates can download their admit cards by filling in the application number, date of birth, and security pin. The CUET (Central Universities Entrance Test) is a common exam that is conducted by NTA for UG admissions into all the central and many other universities of India. Check out the CUET Answer Key Details Here. Let's discuss the concepts related to Interest and Compound Interest. Explore more from Quantitative Aptitude here. Learn now!
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What will be the compound interest for Rs 6250 at 8% pa compounded annually for 2 years?=6760–6250=₹ 510. Was this answer helpful?
At what rate percent per annum compound interest will rupees 625 amount to rupees 729 in 2 years?Thus, rate of interest = 4%. Q.
What principal investment will yield of 6156 and 7290 in two and five years respectively at a specific?Answer: 13/1350
investment will yield an amount of Rs. 6156 and Rs. 7290 in two and five years respectively at a specific equal rate of simple interest?
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