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Q.
A Certain sum of money an amounts to Rs 2500 in a span Of 5 years and further to Rs.3000 in a span of 7 years at simple interest The sum is ?
A.
Rs. 1800
B.
Rs. 2000
C.
Rs. 1400
D.
Rs. 1250
View Answer
Correct choice: D
Explanation:
2500 in 5th year and 3000 in 7th year So in between 2 years Rs. 500 is increased => for a year 500/2 = 250 So, per year it is increasing Rs.250 then in 5 years => 250 x 5 = 1250 Hence, the initial amount must be 2500 - 1250 = Rs. 1250
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