Two numbers are respectively 10% and 25% more than a third number. What percent is the first of the second number?

Direction : What value should come in the place of question mark (?) in the following questions?

9.5 % of 720 + 1.5 % of 320 = ? 

A number when divided by 893 the remainder is 193. What will be the remainder when it is divided by 47?

Simple interest on an amount is Rs. 24 and true discount on the same is Rs. 20. The principal amount is

The value of   $$ {(0.03)^2 - (0.01)^2}\over 0.03-0.01 $$

The average weight of 5 men is increased by 4 kg. If one of them who weigh 121 kg is replaced by another man, then what is the weight of the new man? 

Of the three numbers, the sum of the first two is 55, sum of the second and third is 65 and sum of third with thrice of the first is 110. The third number is: 

A, B and C complete a work in 10, 12 and 15 days respectively. They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days will the work completed?