Latest SSC Aptitude Question SOLUTION: A sum of Rs. 12,000 deposited at compound interest becomes double after 5 years. After 20 years, it will become

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(#M40025989) SSC Numerical Ability question CGL quant Keep an EYE

A sum of Rs. 12,000 deposited at compound interest becomes double after 5 years. After 20 years, it will become

Asked In SSC Rats (10 years ago)

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Mani kandan  (9 years ago)

Answer : [D] 192000
Explanation :

12000 (1 + R/100)^5 = 24000
(1+R/100)^5 =2
[ (1+R/100)^5 ]^4 =2^4
(1+R/100)^20 =16
p (1+R/100)^20 =16 p
12000 (1+R/100)^20 =16*12000
=192000

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Mani kandan  (9 years ago)

Answer : [D]
Explanation :


12000 x 1 + R 5 = 24000
100


1 + R 5 = 2
100



1 + R 5
100
4 = 24 = 16



1 + R 20
100
= 16


P
1 + R 20
100
= 16P


12000 1 + R 20 = 16 x 12000 = 192000
100

Is this solution Helpfull? Yes | No (1)  

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