Chapter Exam

Chapter 8: Fractions in Disguise — Online MCQ Test

Q: Convert 3/4 into a percentage.

Answer: C. 75% — Multiply the fraction by 100. 3/4 = 0.75 = 75%.

Q: What is the decimal form of 7/10?

Answer: B. 0.7 — Dividing 7 by 10 gives 0.7. A denominator of 10 moves the decimal one place left.

Q: Convert 0.125 into a fraction in simplest form.

Answer: A. 1/8 — 0.125 = 125/1000, which simplifies to 1/8.

Q: A shop offers successive discounts of 10% and 20% on a jacket marked ₹1,500. What is the final selling price?

Answer: B. ₹1,080 — After 10% discount, price = 1500 × 0.9 = 1350. After 20% more discount, price = 1350 × 0.8 = ₹1080.

Q: A trader buys an article for ₹600 and sells it for ₹690. What is the profit percentage?

Answer: C. 15% — Profit = 690 - 600 = 90. Profit percentage = (90/600) × 100 = 15%.

MATHS (KANITHA PRAKASH) · CLASS 8th · Karnataka State Board

Practice Chapter 8: Fractions in Disguise with a free chapter-wise online MCQ test for Karnataka State Board CLASS 8th MATHS (KANITHA PRAKASH). 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 (FAQ)

Frequently asked questions from Karnataka State Board CLASS 8th MATHS (KANITHA PRAKASH) — Chapter 8: Fractions in Disguise, with answers and explanations. These are sample questions; the exam has its own separate question set.

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%.

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