Question types

Percent (Percentage) question types

91 questions across 5 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

91
Questions
5
Question groups
5
Question types
Sample Questions

Percent (Percentage) questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Mrs. Sharma went to the market with $₹ 800$ in her purse. When she returned to her home, $₹ 240$ was still left in her purse. What percent of her money did she spend in the market?
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Q 15[3 marks sum]3 Marks
Mr. Singh’s monthly salary is $₹ 15,000.$ This month he was promoted with an increment of $₹ 3,000$ in his salary. Express his increment as a percent of his original salary.
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Q 17[4 marks sum]4 Marks
Approximately $97.3\%$ of the water on the earth is not fit for drinking. Find:
(i) the percentage of water on the earth that is fit for drinking.
(ii) The total volume of water available in certain parts of the earth where there are $21,600\ m^3$ of drinking water.
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Q 19[4 marks sum]4 Marks
Out of a salary of Rs. 13,500, I keep 1/3 as savings. Of the remaining money, I spend 50% on food and 20% on house rent. How much do I spend on food and house rent?
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Q 20[4 marks sum]4 Marks
By weight, $90\%$ of tomato and $78\%$ of potato is water. Find the total quantity, by weight, of water in $90\ \text{kg}$ of potato and $30\ \text{kg}$ of tomato.
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Q 21[5 marks sum]5 Marks
A girl got $375$ marks out of $500$ in the first term examination, $560$ marks out of $800$ in the second term examination, and $840$ marks out of $1200$ in the third term examination. Find:
(i) her percentage score in the first term examination.
(ii) her percentage score in the second term examination.
(iii) her percentage score in the third term examination.
(iv) the total marks secured in all the three examinations.
(v) the total marks scored in all the three examinations.
(vi) her percentage score on the whole in all three examinations.
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Q 22[5 marks sum]5 Marks
Air is an important inexhaustible natural resource. It is essential for the survival of human beings, microbes, plants, and animals. The following table shows the percentage of various gases in the air.
Contents of air Percentage (by volume)
Nitrogen $78$
Oxygen $21$
Other (carbon dioxide, inert gases, water vapours, etc.) $1$

In $800\ m^3$ of air, calculate the approximate quantities of nitrogen, oxygen, and other gases.
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