Compound Interest Questions

FACTS  AND  FORMULAE  FOR  COMPOUND  INTEREST  QUESTIONS

 

 

Let Principal = P, Rate = R% per annum, Time = n years.

I.

1.  When interest is compound Annually:

Amount =P1+R100n

2.  When interest is compounded Half-yearly:

Amount = P1+(R2)1002n

3.  When interest is compounded Quarterly:

Amount = P1+R41004n

 

II.

1.  When interest is compounded Annually but time is in fraction, say 325 years.

Amount = P1+R1003×1+25R100

2.  When Rates are different for different years, say R1%, R2%, R3% for 1st, 2nd and 3rd year respectively.

Then, Amount = P1+R11001+R21001+R3100

 

III.  Present worth of Rs. x due n years hence is given by:

Present Worth = x1+R100n

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

9 1062
Q:

On a certain principal if the simple interest for two years is Rs 2800 and compound interest for the two years is Rs 2996, what is the rate of Interest?

A) 14 percent B) 7 percent
C) 28 percent D) 21 percent
 
Answer & Explanation Answer: A) 14 percent

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

0 1049
Q:

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

A) 6 percent B) 3 percent
C) 12 percent D) 10 percent
 
Answer & Explanation Answer: A) 6 percent

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

2 1044
Q:

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?

A) Rs. 69,120 B) Rs. 21,120
C) Rs. 76,800 D) Rs. 72,000
 
Answer & Explanation Answer: B) Rs. 21,120

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams , CAT

5 1044
Q:

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

A) 10000 B) 20000
C) 15000 D) 32250
 
Answer & Explanation Answer: A) 10000

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

0 1040
Q:

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is

A) Rs 36000 B) Rs 72000
C) Rs 18000 D) Rs 54000
 
Answer & Explanation Answer: C) Rs 18000

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

2 1038
Q:

The compound interest on Rs. 1000 at 10% per annum for 3 years in (Rs.) is

A) Rs. 1331 B) Rs. 331
C) Rs. 300 D) Rs. 1300
 
Answer & Explanation Answer: B) Rs. 331

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

0 1037
Q:

A bank offers 5% compound interest per half year. A customer deposits Rs 4800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest?

A) Rs 732 B) Rs 1464
C) Rs 366 D) Rs 183
 
Answer & Explanation Answer: A) Rs 732

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Compound Interest
Exam Prep: Bank Exams

0 1032