The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. The time is? Pick one
A) 4 months	B) 6 months	C) 8 months	D) 9 months	E) 1 months
S.I. on Rs. 1600 = T.D. on Rs. 1680.   Rs. 1600 is the P.W. of Rs. 1680, i.e., Rs. 80 is on Rs. 1600 at 15%.   Time =(100 x 80/1600 x 15)year   =1/3	year = 4 months.   4 monthsnswer:4 months
<result>A</result>
The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. The time is?