Percent and Percentage
ICSE · Class 8 · Mathematics
Practice quiz for Percent and Percentage — ICSE Class 8 Mathematics. MCQs and questions with answers to test your preparation.
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Quick Quiz: Percent and Percentage
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A machine costing ₹10,000 depreciates by 10% per year. What is its value after 2 years?
The cost of an article increases by 20% and then decreases by 8%. If the original cost is ₹100, what is the final cost?
A number is first decreased by 10% and then increased by 20%. If the original number is 5,000, what is the resulting number?
A man spends 65% of his salary and saves ₹525 per month. What is his monthly salary?
Sample Questions
In an election, one candidate secured 43% of the votes polled and lost by 4,900 votes. What was the total number of votes polled?
Show answer
35,000
Step 1: The winning candidate got 57% of the votes. Step 2: The margin is 57% - 43% = 14% of total votes. Step 3: 14% of total votes = 4,900. Step 4: Total votes = 4,900 × 100/14 = 35,000. So the correct answer is 35,000.
5% of a town's population was killed in a bombardment and 7% of the remaining died in panic. If the remaining population is 44,175, what was the original population?
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50,000
A scooter costs ₹8,000 and depreciates by 15% per year. What is its value after 2 years?
Show answer
₹5,780
Step 1: After 1 year, value = ₹8,000 × 85/100 = ₹6,800. Step 2: After 2 years, value = ₹6,800 × 85/100 = ₹5,780. So the correct answer is ₹5,780.
A number is decreased by 18% and becomes 410. What is the original number?
Show answer
500
Step 1: After a decrease of 18%, the new number is 82% of the original. Step 2: So 410 = 82/100 × original. Step 3: Original = 410 × 100/82 = 500. So the correct answer is 500.
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