89
Q:

What is the rate of interest p.c.p.a.?

I. An amount doubles itself in 5 years on simple interest.

II. Difference between the compound interest and the simple interest earned on a certain amount in 2 years is Rs. 400.

III. Simple interest earned per annum is Rs. 2000

A) I only B) II and III only
C) All I, II and III D) I only or II and III only

Answer:   D) I only or II and III only



Explanation:

I.P*R*5100=PR=20

 II.P1+R1002-P-P*R*2100=400=>pR2=4000000

 III.P*R*1100=2000=>PR=200000

 PR2PR=4000000200000R=20

 

Thus I only or (II and III) give answer.

 

 Correct answer is (D)

Subject: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO
Q:

A sum of Rs. 2000 at 40% per annum compounded annually. Calculate the interest for the third your at compound interest.

A) 1500 B) 1600
C) 1568 D) 1750
 
Answer & Explanation Answer: C) 1568

Explanation:
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3 638
Q:

On a certain principal, simple interest amounts to Rs. 2,000 in two years at the rate of 10% p.a. What will be the difference in the amount of interest if the same is compounded on annual basis?

A) Rs.200 B) Rs.220
C) Rs.100 D) Rs.120
 
Answer & Explanation Answer: C) Rs.100

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6 1332
Q:

A certain sum when invested at 5% interest compounded annually for 3 years yields an interest of Rs.2522. Find the Principal?

A) Rs. 12,522 B) Rs. 15,200
C) Rs. 16,000 D) Rs. 17,200
 
Answer & Explanation Answer: C) Rs. 16,000

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6 1142
Q:

If the interest is compounded half-yearly, then what will be the compound interest (in Rs) on a sum of Rs 10000 for 1 year at the rate of 10% per annum?

A) 1250 B) 525
C) 1000 D) 1025
 
Answer & Explanation Answer: D) 1025

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3 822
Q:

Compound interest on a certain sum for 2 years at the rate of 11% per annum is Rs 1160.5. What will be the simple interest (in Rs) for the same
amount at the same rate of interest for 2 years?

 

A) 9000 B) 1000
C) 1100 D) 1050
 
Answer & Explanation Answer: C) 1100

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2 1248
Q:

The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?

A) 27000 B) 32000
C) 30000 D) 25000
 
Answer & Explanation Answer: D) 25000

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9 1024
Q:

A sum of Rs 4000 becomes Rs 6000 in 1 year at a certain rate of compound interest. What will be the sum (in Rs) after 4 years?

A) 16250 B) 12000
C) 20250 D) 19500
 
Answer & Explanation Answer: C) 20250

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8 1388
Q:

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?

A) 464 B) 384
C) 356 D) 424
 
Answer & Explanation Answer: B) 384

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1 1014