What percent of 3.6kg is 72 gms ?

If 20% of (A+B) = 50% of B, then Value of $${2A-B}\over {2A+B}$$ is 

0.15% of $$33{1\over 3}\%$$ of ₹ 10000 is :

Priyanshu's salary was reduced by 10% and then the reduced salary was increased by 10%. His new salary in comparison with his original salary is:

if 50% of (x-y) =30% of (x+y), then what percentage of x is y?

The price of petrol is increased by 25%. By how much percent a car owner should reduce his consumption of petrol so that the expenditure on petrol would not be increased?

If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or de- crease in the expenditure on the commodity?

A number is first increased by 10% and then it is further increased by 20%. The original number is increased altogether by: