Sainik School Entrance Exam 2019 Solved Paper

Question : 42 of 150

Marks: +1, -0

In what time will a sum of money double itself at

6{1/ 4} \%

p.a on simple interest

Solution:

(d) Suppose that the sum of money

=a

=2a-a=a

= {P×r×t}/100

a= {a×25/4×t}/100

t=400/25=16

years.

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