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Class 7–8 Maths quiz — 5 October 2026

Questions and answers from this day. Play today's quiz to build your streak.

Question 1 · Circles

A circle has a radius of 7 cm. What is its area? (Use π = 22/7)

  1. A. 44 cm²
  2. B. 176 cm²
  3. C. 154 cm² ✓
  4. D. 308 cm²

Answer: 154 cm². Area = π × r² = 22/7 × 7 × 7 = 154 cm².

Question 2 · Discounts

A jacket costs ₹1,700. After a 15% discount, what do you pay?

  1. A. ₹1,495
  2. B. ₹255
  3. C. ₹1,445 ✓
  4. D. ₹1,395

Answer: ₹1,445. 15% of ₹1,700 = ₹255. ₹1,700 − ₹255 = ₹1,445.

Question 3 · Linear equations

Solve for x: 2x + 13 = 21

  1. A. 15
  2. B. 4 ✓
  3. C. 3
  4. D. 5

Answer: 4. Subtract 13 from both sides: 2x = 8. Divide by 2: x = 4.

Question 4 · Triangle area

A triangle has a base of 28 cm and a height of 4 cm. What is its area?

  1. A. 56 cm² ✓
  2. B. 112 cm²
  3. C. 60 cm²
  4. D. 32 cm²

Answer: 56 cm². Area = ½ × base × height = ½ × 28 × 4 = 56 cm².

Question 5 · Exponents

What is 2^2 × 2^2?

  1. A. 8
  2. B. 17
  3. C. 32
  4. D. 16 ✓

Answer: 16. When you multiply powers of the same base, add the exponents: 2^4 = 16.

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