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- Question
Ravi invested Rs.P in a scheme A offering simple interest at 10% p.a. for two years. He invested the whole amount he received from scheme A, in another scheme (B) offering simple interest at 12% p.a. for five years. If the difference between the interests earned from schemes A and B was Rs. 13,00/, what is the value of P ?
Options- A. 2500
- B. 2000
- C. 3000
- D. 3500
- Correct Answer
- 2500
ExplanationIt is given that the initial amount invested in scheme A is Rs P at 10%per Annum S.I. =PTR/100 = P x 10 x 2/100 Now the total amount after 2 years is = 1.2P New Rate of interest = 12% per annum Time = 5 years S.I for next 5 years when new principal amount is 1.2 P = 1.2Px12x5/100 = 0.72P Total amount after 5 years at 12% per annun = 1.72P Given that 1.72P - 1.2P = 1300 P = 1300/0.52 P = Rs. 2500
- 1. Simple interest on a sum for eight months at 6% per annum is Rs 340.What is the value (in Rs) of sum?
Options- A. 8500
- B. 9500
- C. 8000
- D. 6800 Discuss
- 2. A man borrowed some money from a private organisation at 5% simple interest per annum. He lended this money to another person at 10% compound interest per annum, and made a profit of 26,410 in 4 years. The man borrowed
Options- A. 200000
- B. 150000
- C. 132050
- D. 100000 Discuss
- 3. Ankita borrows Rs. 7000 at simple Interest from a lender. Atthe end of 3 years, she again borrows Rs. 3000 and settledthat amount after paying Rs. 4615 as interest after 8 years from the time she made the first borrowing. What is the rate of interest?
Options- A. 5.5%
- B. 9.5%
- C. 7.5%
- D. 6.5% Discuss
- 4. Both S.I. and C.I. is calculated with a similar rate of 10% per annum on a sum of rupees. If C.I. is calculated yearly for two years, then for what period must S.I. be evaluated such that S.I. = C.I.?
Options- A. 4.2 years
- B. 2.1 years
- C. 1.1 years
- D. 1.4 years Discuss
- 5. A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?
Options- A. 1848
- B. 1946
- C. 1812
- D. 1924 Discuss
- 6. The difference between the interests earned when Rs. P is invested for four years in a scheme offering 9% p.a. Simple interest and when the same sum (Rs P) is invested for two years in another scheme offering 12% p.a. simple interest, is Rs 480. What is the value of P?
Options- A. 2000
- B. 3500
- C. 2500
- D. 4000 Discuss
- 7. Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:
Options- A. Rs 14000
- B. Rs 3500
- C. Rs 7000
- D. Rs 5600 Discuss
- 8. The Simple Interest(SI) for 16 years on an amount at particular rate is Rs 10000. If the principal is doubled at an interval of every 4 years and the rate is tripled at every such in terval, find the new Simple Interest(SI)
Options- A. 632100
- B. 689620
- C. 602260
- D. 647500 Discuss
- 9. The difference of compound interest and simple interest for 3 years and for 2 years are in ratio 23 : 7 respectively. What is rate of interest per annum (in %)?
Options- A. 200/7
- B. 100/7
- C. 300/7
- D. 400/7 Discuss
- 10. A person lent Rs 10000 to B for 3 years and Rs 6000 to C for 4 years on simple interest at same rate of interest and received Rs 5400 in all from both of them as interest. What is the rate of interest (in %)?
Options- A. 10
- B. 12
- C. 20
- D. 25 Discuss
Simple Interest problems
Search Results
Correct Answer: 8500
Correct Answer: 100000
Correct Answer: 6.5%
Correct Answer: 2.1 years
Explanation:
Let time period of S.I. be T years.
Then for a principal amount, say P,
ATQ, as, S.I. = C.I. for rate =10%p.a. and
time for C.I. = 2(P x 10 x T)/100 = P{[ (100+10)/100 ]2-1}T/10 = [ 110/100 ]2?1 = [(11/10)2?1] = (121-100)/100T/10 = 21/100T = 21/10 = 2.1 years
Correct Answer: 1848
Correct Answer: 4000
Explanation:
p=(p*4*9)/100-(p*2*12)/100 = 480
=12p/100=480
p=4000
Correct Answer: Rs 7000
Correct Answer: 647500
Explanation:
Let New SI be X
10000/16 = X/4(1*1+2*3+4*9+8*27)
10000/16=X/4(1+6+36+216)
X=647500
Correct Answer: 200/7
Correct Answer: 10
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