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Class 7–8 Maths quiz — 29 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. 154 cm² ✓
  3. C. 49 cm²
  4. D. 22 cm²

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

Question 2 · Triangle area

A triangle has a base of 20 cm and a height of 15 cm. What is its area?

  1. A. 600 cm²
  2. B. 165 cm²
  3. C. 35 cm²
  4. D. 150 cm² ✓

Answer: 150 cm². Area = ½ × base × height = ½ × 20 × 15 = 150 cm².

Question 3 · Simple interest

Find the simple interest on ₹3,000 at 6% per year for 2 years.

  1. A. ₹660
  2. B. ₹3,360
  3. C. ₹36
  4. D. ₹360 ✓

Answer: ₹360. Simple interest = P × R × T ÷ 100 = 3000 × 6 × 2 ÷ 100 = ₹360.

Question 4 · Square roots

What is the square root of 484?

  1. A. 21
  2. B. 44
  3. C. 242
  4. D. 22 ✓

Answer: 22. 22 × 22 = 484, so √484 = 22.

Question 5 · Integers

What is −13 + 7 − (−9)?

  1. A. 15
  2. B. −15
  3. C. 3 ✓
  4. D. 11

Answer: 3. Subtracting a negative adds: −13 + 7 + 9 = 3.

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