The Government reduced the price of sugar by 10 per cent. By this a consumer can buy 6.2 kg more sugar for ₹ 837. The reduced price per kg of sugar is:

The price of sugar is reduced by 20%. Now a person can buy 500g more sugar for ₹ 36. The original price of the sugar per kilogram was: 

In an examination, 45% of all the students who appeared are boys and the rest are girls. If 60% of the boys and 70% of the girls passed, then what is the percentage of students who failed?

If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decrease in the volume?

One-third of 1206 is what percentage of 134?

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 

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