In an examination 60% of the students passed in English and 70% in Mathematics, if 20% of the students failed in both the subjects and 2500 students passed in both the subjects, then what is the total number of candidates?

Two candidates contested an election. One of them got 64% of the votes and won by 434 votes. What was the total number of votes polled? 

If the length of a rectangle is increased by 10% and the area is unchanged, then how much percent does the breadth decrease?

The price of milk is increased by 25%, by what percentage should a housewife reduce the use of milk in her house so that there is no increase in her monthly expenditure?

If the purchase price of an article is equal to 80 percent of its selling price then there will be profit.

One-third of 1206 is what percentage of 134?

if 120% of a is equal to 80% of b, then $${b+a}\over {b-a}$$ is equal to

The price of diesel increases by 5% every year. If the current price of diesel is ₹80 per litre, then what will be the price of diesel per litre after 2 years?