The difference of two numbers is equal to 20% of the larger of the numbers. If the smaller number is 40, then find the larger number

If 35% of A’s income is equal to 25% of B’s income, then the ratio of A’s income to B’s income is

Direction: Study the following information carefully and answer the questions given below.
 25% of the boys and 60% of the girls from a college participated in an event. The total number of girls in the college is equal to the number of boys, who do not participate in the event.

The number of girls, who participated in the event is what percent more than the number of boys, who participated in the event?

The number of girls in a class is 20% more than the number of boys. There are total 66 students in this class. If 4 more girls are admitted in the class, then the ratio of the number of boys and girls will be?

A dishonest dealer sells the goods at 7% loss on cost price but uses 18% less weight. What is his percentage of profit? (Correct to 2 decimal places)

If the duty on an article is reduced by 40% of its present rate by how much per cent must its consumption increase in order that the revenue remains unaltered?

Rishu saves x% of her income. If her income increases by 26% and the expenditure increases by 20%, then her savings increase by 50%. What is the value of x?

If the price of petrol is reduced by 10%, by how much should a consumer increase the consumption of petrol so that his expenditure on petrol does not decrease?