Question

In what time will 1860 amount to 2,641.20 at simple interest 12% per annum?(रुपया 1860 , 12 % प्रति वर्ष के साधरण बियाज पर कितने समय में रुपया 2,614.20 हो जाएगी )
A. 3years
B. `3(1)/(2)`years
C. 4years
D. `4(1)/(2)`years

Answer 1

(b) Rate% 12%, Principle=1860
Amount=2641.20
Interest=(2641.20-1860)=781.20
By using formula,
Required time=`(781.20xx10)/(1860xx12)=3(1)/(2)yrs`