" (ii) "6(1)/(4)%

A sum of Rs 1600 gives a simple interest of Rs 252 in 2 years and 4 months.The rate of interest per annum is (a) 6%( b) 6(1)/(4)% (c) 6(1)/(2)% (d) 6(3)/(4)%

A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25% .The percentage of water in the mixture is (a) 4% (b) 6(1)/(4)% (c) 20% (d) 25%

A man invested Rs 5000 at some rate of simple interest and Rs 4000 at 1 percent higher rate of interest.If the interest in both the cases after 4 years is same,the rate of interest in the former case is (a) 4% p.a.(b) 5% p.a.(c) 6(1)/(4)% p.a.(d) 8(1)/(3)% p.a.

The bankers gain on a certain sum due 1(1)/(2) years hence is (3)/(25) of the bankers discount The rate percent is: 5(1)/(5)%( b) 9(1)/(9)% (c) 8(1)/(8)% (d) 6(1)/(6)%

Convert the following percentages into decimals : 6""(1)/(4)%.

Find : 6(1)/(4)% of (1 hour 20 min.)

In what time will Rs. 72 become Rs. 81 at 6(1)/(4)% per annum simple interest ?

The sum that amounts to Rs 4913 in 3 years at 6(1)/(4)% per annum compounded annually. Is