# Compound Interest: SSC CGL Math Project 400 Questions

Compound Interest: SSC CGL Math Project 400 Questions. What is project 400 ** Click here**

These 10 questions will cover entire range of compound interest questions. Become master in these questions. You will be master in compound interest topics for all SSC exams /competitive exams.

**Q1.**Compound Interest compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 102. The simple interest on the same sum for the same rate and for the same period will be

a) Rs 99

b) 101

c) RS 100

d) Rs 98

**Q2.** If the amount is 2.25 times of the sum after 2 years at compounded interest (compounded annually), the rate of interest per annum is:

a) 25%

b) 30%

c) 45%

d) 50%

**Q3.** The compound interest on Rs 10,000 in 2 years at 4% per annum, the interest being compounded half yearly, is:

a) Rs 636.80

b) RS 824.32

c) Rs 912.86

d) 828.82

**Q4.** If the difference between the compound interest, compounded every six months, and the simple interest on a certain sum of money at the rate of 12% per annum for one year is Rs 36, the sum is:

a) Rs 10,000

b) Rs 12000

c) Rs 15000

d) Rs 9000

**Q5.** In how many years will Rs 2000 amount to Rs 2420 at 10% per annum compound interest?

a) 3

b) 5/2

c) 2

d) 3/2

**Q6.** A sum of money invested at compound interest amount to Rs 650 at the end of first year and Rs 676 at the end of second year. The sum of money is:

a) Rs 600

b) RS 540

c) Rs 625

d) Rs 560

strong>Q7. A sum borrowed under compound interest doubles itself in 10 years. When will it become fourfold of itself at the same rate of interest?

a) 15 years

b) 20 years

c) 24 years

d) 40 years

**Q8.** If the difference between the compound interest and simple interest on a sum at 5% rate of interest per annum for three years is Rs 36.60, then the sum is

a) Rs 8000

b) Rs 8400

c) Rs 4400

d) Rs 4800

**Q9.** A sum becomes Rs 4500 after two years and Rs 6750 after four years at compound interest. The sum is

a) 4000

b) Rs 2500

c) Rs 3000

d) Rs 3050

**Q10.** A loan of Rs 12300 at 5% per annum compound interest, is to be repaid in two equal annual installments at the end of every year. Find the amount of each installment.

a) RS 6651

b) Rs 6615

c) Rs 6516

d) RS 6156

**Compound Interest: Answer key**

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Sir please provide the solution of question number 4.

Hi Haider Solve through approximation or successive %age technique

SI = Rs 12 on sum Rs 100

CI = 6 + 6 + .36 =12.36 ( through successive)

Difference (CI-SI) = .36 on Rs 100, then difference 36 will be on (100/.36)*36=10000.

For concept clarity you can join our new online coaching batch

Dear Sir, Can u please provide me a faster way to solve question number 10. Looking forward to your generous reply.

Sir..Tell me formula showing direct relationship between simple interest and compound interest

Sir,

question is there but where is the solution. looking forward for your reply.

can you please short cut for 3rd problem

shortcut for 3rd question plz..

please provide clear solutions for all the above problems

Q.No. 10

Sol x*21/20 + x = 12300*21/20*21/20

This will give installment=6615

Ajeet

Hi sir ,

Plz tell me easy way for solving Q.N. 3rd , it is very calculative and time consuming

Ajeet

plz explain last question…… No. 10….

i need project 400 question

what i want to do

sent email [email protected]

I am having difficulty in half yearly compounding problems. Can I get easy and short tricks for question number 3 and 4?