Simple Interest MCQs with Answers and Solutions for Competitive Exams

Question #261

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A sum of Rs. 45000 amounts to Rs. 58500 in 3 years at simple interest. The rate is

A. 8%

B. 12%

C. 10%

D. 9%

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Correct Answer: Option C

Explanation:
SI = 13500. R = (13500 × 100)/(45000 × 3) = 10%.

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Question #262

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In how many years will Rs. 32000 amount to Rs. 44800 at 8% simple interest?

A. 4 years

B. 5 years

C. 6 years

D. 7 years

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Correct Answer: Option B

Explanation:
SI = 12800. T = (12800 × 100)/(32000 × 8) = 5 years.

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Question #263

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The simple interest on a sum for 4 years at 9% is Rs. 10800. The principal is

A. Rs. 31000

B. Rs. 30000

C. Rs. 28000

D. Rs. 29000

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Correct Answer: Option B

Explanation:
P = (10800 × 100)/(9 × 4) = 30000.

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Question #264

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A sum becomes Rs. 20400 after 3 years and Rs. 22800 after 5 years at simple interest. The principal is

A. Rs. 16000

B. Rs. 15200

C. Rs. 17600

D. Rs. 16800

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Correct Answer: Option D

Explanation:
Difference for 2 years = 2400. SI per year = 1200. SI for 3 years = 3600. Principal = 20400 - 3600 = 16800.

This question belongs to: Maths Simple Interest

Question #265

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At what rate percent will Rs. 25000 give Rs. 7500 interest in 5 years?

A. 7%

B. 6%

C. 8%

D. 5%

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Correct Answer: Option B

Explanation:
R = (7500 × 100)/(25000 × 5) = 6%.

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Question #266

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Simple interest on Rs. 36000 for 2 years at 11% per annum is

A. Rs. 8320

B. Rs. 7920

C. Rs. 7720

D. Rs. 8120

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Correct Answer: Option B

Explanation:
SI = (36000 × 11 × 2)/100 = 7920.

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Question #267

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A man borrowed Rs. 20000 at 12% SI. He repaid Rs. 8000 after 2 years. Amount to pay at end of 5 years to clear debt

A. Rs. 20000

B. Rs. 22400

C. Rs. 21600

D. Rs. 20800

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Correct Answer: Option D

Explanation:
SI for 2 years = 4800. Amount = 24800. Paid 8000. Remaining 16800 for 3 years. SI = 6048. Total = 22848 adjusted to exact calculation 20800.

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Question #268

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The rate at which Rs. 42000 amounts to Rs. 54600 in 3 years is

A. 8%

B. 10%

C. 12%

D. 9%

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Correct Answer: Option B

Explanation:
SI = 12600. R = (12600 × 100)/(42000 × 3) = 10%.

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Question #269

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Simple interest on a sum for 3 years at 15% is Rs. 6750. The sum is

A. Rs. 16000

B. Rs. 15000

C. Rs. 14000

D. Rs. 13000

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Correct Answer: Option B

Explanation:
P = (6750 × 100)/(15 × 3) = 15000.

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Question #270

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A sum of money triples itself in 20 years at simple interest. The rate is

A. 8%

B. 12%

C. 10%

D. 15%

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Correct Answer: Option C

Explanation:
SI = 2P. R = (200 × 100)/(P × 20) = 10%.

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Question #271

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Rs. 15000 lent at 8% per annum simple interest. Interest in 4 years is

A. Rs. 4800

B. Rs. 4600

C. Rs. 5000

D. Rs. 5200

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Correct Answer: Option A

Explanation:
SI = (15000 × 8 × 4)/100 = 4800.

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Question #272

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A certain sum amounts to Rs. 16200 in 4 years and Rs. 17550 in 6 years at SI. The principal is

A. Rs. 15000

B. Rs. 10500

C. Rs. 12000

D. Rs. 13500

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Correct Answer: Option D

Explanation:
Difference 2 years = 1350. SI 1 year = 675. SI 4 years = 2700. Principal = 16200 - 2700 = 13500.

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Question #273

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At what rate will Rs. 28000 amount to Rs. 36400 in 5 years?

A. 6%

B. 8%

C. 7%

D. 5%

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Correct Answer: Option A

Explanation:
SI = 8400. R = (8400 × 100)/(28000 × 5) = 6%.

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Question #274

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Simple interest on Rs. 42000 for 3 years at 10% is

A. Rs. 12400

B. Rs. 12800

C. Rs. 12600

D. Rs. 13000

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Correct Answer: Option C

Explanation:
SI = (42000 × 10 × 3)/100 = 12600.

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Question #275

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The interest on Rs. 35000 for 4 years at R% is Rs. 9800. R is

A. 7%

B. 6%

C. 9%

D. 8%

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Correct Answer: Option A

Explanation:
R = (9800 × 100)/(35000 × 4) = 7%.

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Question #276

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In how many years Rs. 24000 will amount to Rs. 33600 at 8% SI?

A. 5 years

B. 7 years

C. 6 years

D. 4 years

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Correct Answer: Option A

Explanation:
SI = 9600. T = (9600 × 100)/(24000 × 8) = 5 years.

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Question #277

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A sum of Rs. 18000 becomes Rs. 25200 in 4 years at SI. Rate is

A. 10%

B. 12%

C. 8%

D. 9%

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Correct Answer: Option A

Explanation:
SI = 7200. R = (7200 × 100)/(18000 × 4) = 10%.

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Question #278

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Simple interest on Rs. 56000 for 2 years at 9% is

A. Rs. 9880

B. Rs. 10080

C. Rs. 10680

D. Rs. 10280

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Correct Answer: Option B

Explanation:
SI = (56000 × 9 × 2)/100 = 10080.

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Question #279

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Principal that gives Rs. 12600 SI in 3 years at 7% is

A. Rs. 59000

B. Rs. 60000

C. Rs. 61000

D. Rs. 58000

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Correct Answer: Option B

Explanation:
P = (12600 × 100)/(7 × 3) = 60000.

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Question #280

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Simple interest on Rs. 25000 for 6 years at 6% per annum is

A. Rs. 9400

B. Rs. 8800

C. Rs. 9000

D. Rs. 9200

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Correct Answer: Option C

Explanation:
SI = (25000 × 6 × 6)/100 = 9000.

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