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13. A man got 10% increase in his salary. If his new salary is 55000, find his previous
salary.
14. The salary of a man is $7200 per month and is now increased by 8 %. Find his new
salary per month.
15. On increasing the price of a bed-sheet by 20 %, it becomes 420. What is its original
price?
16. Increase 150 by 10 % and decrease the same by 15 %. Find the new number in each
case.
17. The population of a place in a particular year increased by 15 %. Next year it decreased
by 15%. Find the net increase or decrease per cent in the initial population
18. While measuring a line segment of length 5 cm, it was measured 5.2 cm by mistake.
Find the percentage error in measuring the line segment.
19. A number is increased by 40 % and then decreased by 40 %. Find the net increase or
decrease per cent.
20. The price of wheat increased by 10 %. By how much per cent should mother reduce
her consumption in the house so that her expenditure on wheat does not increase?
21. The salary of a doctor is increased by 40 %. By what per cent should the new salary
be reduced in order to restore the original salary?
22. A number 75 is misread as 57. Find the reading error per cent.
23 The price of an article increased from $ 16 to $ 20; find the percentage increase.
24. After an increase of 20 %; a number becomes 540. Find the original number.
25. Mr. Mohan saves 33 % of his income, what percent of his income does he spend?
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13. A man got 10% increase in his salary. If his new salary is 55000, find his previous
salary.
14. The salary of a man is $7200 per month and is now increased by 8 %. Find his new
salary per month.
15. On increasing the price of a bed-sheet by 20 %, it becomes 420. What is its original
price?
16. Increase 150 by 10 % and decrease the same by 15 %. Find the new number in each
case.
17. The population of a place in a particular year increased by 15 %. Next year it decreased
by 15%. Find the net increase or decrease per cent in the initial population
18. While measuring a line segment of length 5 cm, it was measured 5.2 cm by mistake.
Find the percentage error in measuring the line segment.
19. A number is increased by 40 % and then decreased by 40 %. Find the net increase or
decrease per cent.
20. The price of wheat increased by 10 %. By how much per cent should mother reduce
her consumption in the house so that her expenditure on wheat does not increase?
21. The salary of a doctor is increased by 40 %. By what per cent should the new salary
be reduced in order to restore the original salary?
22. A number 75 is misread as 57. Find the reading error per cent.
23 The price of an article increased from $ 16 to $ 20; find the percentage increase.
24. After an increase of 20 %; a number becomes 540. Find the original number.
25. Mr. Mohan saves 33 % of his income, what percent of his income does he spend?