Aptitude - Compound Interest - Discussion

Discussion Forum : Compound Interest - General Questions (Q.No. 6)
6.
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 3 of 4.

Musadiq Hussain said:   4 years ago
1+12/100 = 112/100 = 28/25.
(28/25)^3 = 1.40,
25000 * 1.40.
(2)

Mohan said:   8 years ago
@Snehal and @Sujata.

p.c.p.a means per capital per annum.

Deepak said:   1 decade ago
Sir please send me any shortcut method for this question.

Yogendra said:   1 decade ago
Hi, sujatha & snehal PCPA means percentage per annum

Viplov said:   2 decades ago
Please give me a shortcut methods for competitive exams.
(1)

Sitam said:   1 decade ago
Can any one know its simplest method to find out C. I.

Pulkit said:   1 decade ago
Anybody explain how comes 28/25*28/25*28/25 ?

Kasinath @Hyd said:   1 decade ago
P.C.P.A means Percentage Compound Per Annum.

BUDHLANI BADSHAH said:   7 years ago
@Amit.

Thank you for the best explanation.

Viki said:   9 years ago
Good method @Selva. Thanks for posting it.


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