hari and ajith borrowed RS 8000 and RS 6250 respectively at same rate of interest for 3yrs if - Maths - Life Mathematics

Question

hari and ajith borrowed RS 8000 and RS 6250 respectively at same
rate of interest for 3yrs if hari paid an interest of RS 735 more
than ajith then find rate

Manbar Singh · Accepted Answer

CASE OF HARI  :Principal, P = Rs 8000Rate, R = x% p
a
Time, T = 3 yrsI1 = PRT100 = 8000×x×3100 = Rs 240xCASE OF AJITH  :Principal, P = Rs 6250Rate, R = x% p
a
Time, T = 3 yrsI2 = PRT100 = 6250×x×3100 = Rs 187
5xNow, I1 - I2 = Rs 735⇒240x - 187
5x = 735⇒52
5x = 735⇒x = 73552
5 = 14So, rate of interest = 14% p
a

hari and ajith borrowed RS.8000 and RS.6250 respectively at same rate of interest for 3yrs. if hari paid an interest of RS.735 more than ajith. then find rate