SIMPLE INTEREST

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Answer: Option A Explanation: Let the sum invested in Scheme A be Rs. x and that in Scheme B be Rs. (13900 - x). Then, x x 14 x 2 + (13900 - x) x 11 x 2 = 3508 100 100 28x - 22x = 350800 - (13900 x 22) 6x = 45000 x = 7500. So, sum invested in Scheme B = Rs. (13900 - 7500) = Rs. 6400. 3. A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum? A.Rs. 4462.50 B.Rs. 8032.50 C.Rs. 8900 D.Rs. 8925 E.None of these Answer: Option D Explanation: Principal= Rs. 100 x 4016.25 9 x 5 = Rs. 401625 45 = Rs. 8925. 4. How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest? A. 3.5 years B.4 years C. 4.5 years D.5 years Answer: Option B Explanation: Time = 100 x 81 years = 4 years. 450 x 4.5
5. Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest? A. 3.6 B.6 C. 18 D.Cannot be determined Answer: Option B Explanation: Let rate = R% and time = R years. Then, 1200 x R x R = 432 100 12R 2 = 432 R 2 = 36 R = 6. 6. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest? A.3% B.4% C.5% D.6% E.None of these Answer: Option D Explanation: S.I. = Rs. (15500 - 12500) = Rs. 3000. Rate = 100 x 3000 % = 6% 12500 x 4 7. A person takes a loan of Rs. 200 at 5% simple interest. He returns Rs. 100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay: A.Rs. 105 B.Rs. 110 C.Rs. 115 D.Rs. 115.50 Answer: Option C Explanation: Amount to be paid
Page 1 and 2: SIMPLE INTEREST
Page 3: (i). Simple Intereest = P x R x T 1
Page 7 and 8: 10.A sum of Rs. 725 is lent in the
Page 9 and 10: Since the principal is not given, s
Page 11 and 12: II gives, T = 10 years. Sum = 100 x
Page 13 and 14: .. Amount = ( X + 27X/50) = 77X/50
Page 15 and 16: 4% p.a. interest on principal for n
Page 17 and 18: P x T Now, I gives, S.I. = Rs. 4000
Page 19 and 20: COMPOUND INTEREST Compound interest
Page 21 and 22: Simple interest on a certain sum of
Page 23 and 24: Solution S.I C.I = Rs.(1200x10x1/10
Page 25 and 26: If the simple interest on a sum of
Page 27 and 28: 40 40 40 = Rs. 1600 x 41 41 + 1 40
Page 29 and 30: Amount = Rs. (30000 + 4347) = Rs. 3
Page 31 and 32: Amount = Rs. P 1 + R 4 100 C.I. =P
Page 33 and 34: Answer: Option D Explanation: Amoun
Page 35 and 36: 15000 (100 + R)2 - 10000 - (200 x R
Page 37 and 38: 11.The population of a town was 360
Page 39 and 40: ond as the interest that he receive
Page 41 and 42: Difference between C.I. and S.I. ma
Page 43 and 44: For this sum, C.I. and hence amount

SIMPLE INTEREST

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