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Percent and Percentage — Practice Quiz

ICSE · Class 7 · Mathematics

Try a 4-question quiz on Percent and Percentage for ICSE Class 7 Mathematics: tap an answer to check it and see why. 60 questions in the full chapter test.

60 questions28 flashcards9 formulas & key relations5 concepts

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Quick Quiz: Percent and Percentage

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Tap an answer to check it instantly. No sign-up needed for these 4.

1

A bicycle costs ₹800 and later becomes ₹650. What is the percentage decrease in its price?

2

A line of length 1.5 m is measured as 1.55 m by mistake. What is the error percent?

3

A number first decreases by 60% and then decreases by 80% of the remaining amount. What is the total percentage decrease on the whole?

4

A salary of ₹2,000 has 8% provident fund deducted. Of the remaining salary, 10% is spent on house rent and 20% on education. What is the total amount spent on house rent and education?

60 Questions·
multiple choicetrue false

Sample Questions

1multiple choice
3 marks

A cake is 25% eaten and 35% given away. What percent of the cake is still left?

Show answer

40%

Step 1: Total used = 25% + 35% = 60%. Step 2: Cake left = 100% - 60% = 40%. So, 40% of the cake is still left.

2multiple choice
3 marks

A student gets 33% of the maximum marks in an examination of 900 marks and fails by 45 marks. What are the passing marks?

Show answer

342 marks

Step 1: Marks scored = 33% of 900 = 297. Step 2: Fails by 45 marks, so passing marks = 297 + 45. Step 3: 297 + 45 = 342. So, the passing marks are 342.

3multiple choice
3 marks

An ore contains 20% zinc. How many kilograms of ore are needed to get 45 kg of zinc?

Show answer

225 kg

Step 1: Let the ore needed be x kg. Step 2: 20% of x = 45. Step 3: (20/100) × x = 45. Step 4: x = 45 × 100 ÷ 20 = 225. So, 225 kg of ore is needed.

4multiple choice
3 marks

A basket has 250 mangoes. 12% are rotten and 10% of the remaining mangoes are crushed. How many mangoes are in good condition?

Show answer

198

Step 1: Rotten mangoes = 12% of 250 = 30. Step 2: Remaining mangoes = 250 - 30 = 220. Step 3: Crushed mangoes = 10% of 220 = 22. Step 4: Good mangoes = 220 - 22 = 198. So, 198 mangoes are in good condition.

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Frequently Asked Questions

What are the important topics in Percent and Percentage for ICSE Class 7 Mathematics?
Key topics in Percent and Percentage include Basic idea of percent, Converting between fraction, decimal, ratio and percent, One quantity as a percent of another, Percentage of a quantity. Study these first, then practise questions on each for Class 7 exams.
How many practice questions are there for Percent and Percentage?
There are 60 questions on Percent and Percentage. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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