Question

What would be the least number of years in which the simple interest on Rs.2600 at % will be an exact number of rupees ?
A) 2
B) 3
C) 4
D) 5

Answer 1

you forget to write rate of interest. well I got it ,
rate of interest is 20/3 % .
question is ---->What should be the least number of years in which the simple interest on Rs.2600 at 20/3% will be exact number of rupess ?

solution : use formula, S.I = P × r × t/100

here, P = 2600 Rs.

r = 20/3 % and t = ?

so, S.I = 2600 × 20/3 × t/100

= 520t/3

now, you can see that , Simple interest will be exact number of rupees when t = 3, 6, 9, 12....

hence, option (3) is correct choice.

Answer 2

Heÿ ❤

option (3) is correct


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