By increasing the number 36 by a certain percentage it becomes 63. Find the percentage increase of number 36.

What is the average price (per litre) of the petrol in all the given years together?

The price of groundnut has increased by 35%. The percentage of reduction that a family should effect in the use of groundnut so as not to increase the expenditure on this account is: (approx)

The price of sugar is increased by 16.66% and the consumption of a family is decreased by 25%. Find the percentage change in his expenditure.

The number first increased by 8% and then decreased by 3% to get 2619. What is 5% of that number?

Two successive increments of 30% each is by what percentage more than two successive decrements of 30% each? (Correct to two decimal places)

X’s salary is increased by 20% and then decreased by 20%. What is the change in salary?
 

A number is first increased by 10% and then increased by 20%. The number, so obtained, is now decreased by 12%. What is the net increase or decrease percent in the original number?

The price of an article is increased by r%. The new price was decreased by r% later. Now the latest price is Rs.1. What was the original price of the article?

The price of an article is reduced by 30% but the daily sale of the article increased by 35%. The net percentage effect on the daily sale receipts is:

If the price of a movie ticket increased by 12\(\frac{1}{2}\)% and the sale of tickets also increased by 8\(\frac{1}{2}\)%, then find % change in income.

P is increased successively by 15% and 20% to get Q. If P = 200, then what is the value of Q?

If the price of tea increases by 20%, by what percent should the consumption of tea be reduced so that the expenditure on tea does not increase?

The price of LPG cylinders has increased from Rs 816 to Rs 1020. What percentage of consumption should be reduced so that the amount spent on LPG cylinders will be reversed ( In% ).

Due to a reduction in workforce, the production in a factory decreases by 30%. By what percentage should the working hours per person be increased to restore the original production? (Correct to two decimal places.)

If the price of petrol becomes Rs 110/litre from Rs 95/litre, by what percentage the consumption of petrol should be reduced by Ravi so that his expenditure remains the same? (correct up to two decimals)

If the price of an article is raised by 35%, by how much percent must a householder reduce his consumption of that article, so as not to increase his expenditure?

The price of an article is raised by 45% and then two successive discounts of 15% each are allowed. Ultimately the price of the article is _________.

If the price of tea increases by 20%, by what percent should the consumption of tea be reduced so that the expenditure on tea does not increase?

Ramnarayan's salary was reduced by 3\(\frac{1}{8}\)%, and then, the reduced salary was increased by 7\(\frac{2}{5}\)%. By what percentage (rounded off to two decimal places) is his new salary more/less as compared to his original salary?

2016 is increased by 25% and the number 2520 is decreased by 20% then what would be the difference between these two numbers?

A number ‘a’ increases by 30% and as a result the product of it with another number ‘b’ increases by 4%. To keep their product constant, how much percent 'b' should be decreased?

What is the average price (per litre) of the petrol in all the given years together?

A number ‘a’ increases by 30% and as a result the product of it with another number ‘b’ increases by 4%. To keep their product constant, how much percent 'b' should be decreased?

If the price of a book is first decreased by 30% and then increased by 20%, then the net change in the price will be:

Z is increased successively by 11\(\frac{1}{9}\)% and 10% to get R. If R = 165, then what is the value of Z?

If the price of petrol increased by 7%, then by what percentage should the consumption be decreased by the consumer, if the expenditure on petrol remains unchanged?

In a company, all employees are getting equal wages. If the number of employees is increased by 20% and their wages per head are decreased by 18%, what is the percentage decrease in total wages?

The cost of tomatoes per kg is increased by 300%. A housewife reduces her consumption of tomatoes by 70%. By what percentage does her expenditure on tomatoes increase or decrease?

When the price of an article was reduced by 25%, its sale was increased by 75%. Calculate the net effect on revenue.

If the price of rice is raised by 20%, then by what percentage should a person reduce his consumption of rice so that his expenditure remains the same? (correct to one decimal place)

If the price of petrol becomes Rs 110/litre from Rs 95/litre, by what percentage the consumption of petrol should be reduced by Ravi so that his expenditure remains the same? (correct up to two decimals)

If the price of a commodity is decreased by 30% and its consumption is increased by 40%, then what will be the percentage increase or decrease in the expenditure of the commodity?

Neeraj's earning was decreased by 60% and after that subsequently increased by 60%. Find the final loss % on his earnings.