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Chapter 8: Fractions in Disguise — Online MCQ Test

MATHS · Grade 8 · CBSE(NCERT)
Practice Chapter 8: Fractions in Disguise with a free chapter-wise online MCQ test. This chapter covers: Fractions Decimals Percentages Conversion between fractions decimals and percentages Percentage Profit Loss Discount Compound Interest Simple Interest Interest Rate Principal Amoun.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 8: Fractions in Disguise — Important Questions & Answers

Convert 3/4 into a percentage.
  • A. 34%
  • B. 40%
  • C. 75%
  • D. 85%
Answer: C. 75%
Multiply the fraction by 100. 3/4 = 0.75 = 75%.
What is the decimal form of 7/10?
  • A. 0.07
  • B. 0.7
  • C. 7.0
  • D. 0.17
Answer: B. 0.7
Dividing 7 by 10 gives 0.7. A denominator of 10 moves the decimal one place left.
Convert 0.125 into a fraction in simplest form.
  • A. 1/8
  • B. 1/4
  • C. 125/10
  • D. 5/8
Answer: A. 1/8
0.125 = 125/1000, which simplifies to 1/8.
A shop offers successive discounts of 10% and 20% on a jacket marked ₹1,500. What is the final selling price?
  • A. ₹1,050
  • B. ₹1,080
  • C. ₹1,200
  • D. ₹1,350
Answer: B. ₹1,080
After 10% discount, price = 1500 × 0.9 = 1350. After 20% more discount, price = 1350 × 0.8 = ₹1080.
A trader buys an article for ₹600 and sells it for ₹690. What is the profit percentage?
  • A. 10%
  • B. 12%
  • C. 15%
  • D. 18%
Answer: C. 15%
Profit = 690 - 600 = 90. Profit percentage = (90/600) × 100 = 15%.