Aptitude - Compound Interest - Discussion

Discussion Forum : Compound Interest - General Questions (Q.No. 6)

Compound Interest

What will be the compound interest on a sum of Rs. 25,000 after 3 years at the rate of 12 p.c.p.a.?

Rs. 9000.30

Rs. 9720

Rs. 10123.20

Rs. 10483.20

None of these

Answer: Option

Explanation:

Amount

= Rs.		25000 x		1 +	12		3
					100

= Rs.		25000 x	28	x	28	x	28
			25		25		25

= Rs. 35123.20

C.I. = Rs. (35123.20 - 25000) = Rs. 10123.20

Discussion:

38 comments Page 4 of 4.

Muneer said: 10 years ago

Please explain how come 28/25?

Thanuja said: 1 decade ago

Please send me the short cut method for compound interest calculation specially for more than 2 years.

Pulkit said: 1 decade ago

Anybody explain how comes 28/25*28/25*28/25 ?

Ashok said: 1 decade ago

Firstly simplify the 12/100 it will come 3/25 after that you will get 28/25.

Kasinath @Hyd said: 1 decade ago

P.C.P.A means Percentage Compound Per Annum.

Ashwini said: 1 decade ago

I did not understand 2nd and 3rd step in explanation (28/25) how it come please send me details about this steps.

Gayathri said: 1 decade ago

Please I want a accurate method for 28/25.

B M VINUTHA said: 1 decade ago

Dear sir/madam,

Please calculate the compound interest on rs 25000 for first 2 years @15% and @16%for 3rd year.

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