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

What percentage of 5.6 kg is 140 grams?

B got 20% marks less than A. What per cent marks did A got more than B? 

A dozen pairs of socks quoted at 180 are available at a discount of 20 %. How many pairs of socks can be bought for 48? 

In an election 10 % of the voters on the voter's list did not cast their votes and 60 voters cast their ballot paper blank. There were only two candidates. The winner was supported by 47 % of all the voters in the list and he got 308 votes more than his rival. The number of voters on the list was 

A shopkeeper has certain number of eggs of which 5% are found to be broken. He sells 93% of the remainder and still has 266 eggs left. How many eggs did he originally have?

If 40% of (A+B) = 60% of (A-B) then $${2A-3B}\over {A+B}$$ is

Mohan gets 4 marks for each correct sum and losses 1 marks for each wrong sum. He attempted 30 sum and obtains 50 marks. The number of sums solved correctly is?