Question

at what time will 3600 amount to 4410 at 9% per annum simple interest​

Answer 1

Principal ( p ) = Rs 3600

Amount ( A ) = 4320

Rate of interest ( r ) = 8%

Time = t years

Simple interest ( I ) = A - p

I = 4320 - 3600

= Rs 720

t = ( 100 × I )/pr

= ( 100 × 720 ) / ( 3600 × 8 )

= 5/2

= 2 and a 1/2 years

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