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Use of Percentages

Comparing Quantities
Maths
Class 7

Overview

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Finding a Percentage or the Whole

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Related Questions to study

Find the whole quantity If 90 %  of a it is 5.00 km. 

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If the side of the square is increased by , then the area is increased by :

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No of studentsMarks
1080
575
570
260
255
120
Tina's score was accidentally omitted from the list. When her score is added, the average (arithmetic mean) score for the class does not change. What is Tina's score?

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Fresh grapes contain % water by weight while dried grapes contain % water by weight. What is the weight of dry grapes available from of fresh grapes?

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The salary of a men which was - earlier increases to - What is the change in salary?

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Ravi's salary is of Amit's salary. Amit's salary is of Ram's salary. What is the ratio of Ram's salary to Ravi's salary?

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A Chameli had Rs 600 left after spending 75% of her money , how much did she have in the beginning?

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Mr. Jones gave 40% percent of the money he had, to his wife. He also gave 20% of the remaining amount to each of his three sons. Half of the amount now left was spent on miscellaneous items and the remaining amount of Rs. 12,000 was deposited in the bank. How much money did Mr. Jones have initially?

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A man pays 40 times the annual rent to purchase a building. The rate % per annum he derives from his investment is

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In an election between two candidates,    of the voters cast their votes, out of which    of the votes were declared invalid. A candidate got    votes which were    of the total votes polled. Find the total number of votes enroled in that election?

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