RRB Technician 2014 Ques 1
Question: The amount of a certain sum at compound interest for 2 year at 5% is Rs. 4410. The sum is
Options:
A) Rs. 4000
B) Rs. 4200
C) Rs. 3900
D) Rs. 3800
Show Answer
Answer:
Correct Answer: A
Solution:
- According to the question, $ 4410=P{{( 1+\frac{5}{100} )}^{2}} $
$ \Rightarrow $ $ P=\frac{4410}{{{( \frac{21}{20} )}^{2}}}=\frac{4410\times 400}{441}=Rs.,4000 $
BETA
