Aptitude - Compound Interest - Discussion

Discussion Forum : Compound Interest - General Questions (Q.No. 9)
9.
Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?
Rs. 8600
Rs. 8620
Rs. 8820
None of these
Answer: Option
Explanation:
Amount
= Rs. 8000 x 1 + 5 2
100
= Rs. 8000 x 21 x 21
20 20
= Rs. 8820.
Discussion:
23 comments Page 3 of 3.

Senthilprakash said:   1 decade ago
Why we are putting (1+5/100) 2,
I need why 1 is there and why we are squaring them.

Lucky said:   1 decade ago
(1+ 5)/100

LCM 100+5 / 100

105/100=21/20

Ritha said:   1 decade ago
How this 21/20 is come? please can someone explain this.


Post your comments here:

Your comments will be displayed after verification.