The difference (in INR) in discounts between two successive discounts of 8% each and a single discount of 16% on INR 1000/- is :
Single equivalent discount for two successive discount of 8% each = 8+8 - 8×8/100 = 15.36%
Difference of discounts in percentage
= 16-15.36 = 0.64%
Required difference = 1000×0.64/100 = INR 6.4/-
The rate of interest per annum at which the total simple interest of a certain capital for 1 year is equal to the total simple interest of the same capital at the rate of 5% per annum for 2 years is :
What should come in place of the question mark (?) in the following number series
4 6 12 ? 90 315 1260
12 12 18 36 90 270 ?
1015 508 255 129 66.5 ? 20.875
8 9 20 63 256 1285 ?
