When the tax on an article is increased by 20%, its consumption is decreased by 20%. In total tax receipt on this item-

A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number. The original number is:

32 is what percentage of 80?

The income of Aman is Rs. 30,000 per month and his expenditure is Rs. 20,000 per month. In the next month, his income increases by Rs. 10,000 per month, and expenditure increases to Rs. 25,000 per month. In the next month, his savings increases by what percent?

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?

Under a discount scheme, a dozen pair of gloves quoted at ₹200 is available at a discount of 20%. How many pairs of gloves can be bought for ₹320?

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 20% of A = 50% of B, then what percentage of A is B?