Question

find the time in which rupees 1,800 to Rupees 2178 at 10% per annum compounded annually

Answer 1

P = rs 1800 A=rs 2178 R =10% let time be x

A/Q,

2178= 1800 (1+10/100)X

2178/1800 = (1+10/100)x

121/100 = (11/10)x

(11/10)2 =(11/10)x

2 =x ( since bases r same )

s time is 2 yrs

Answer 2

The time period is 2 years