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Class 7–8 Maths quiz — 8 October 2026

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

Question 1 · Square roots

What is the square root of 625?

  1. A. 27
  2. B. 26
  3. C. 312
  4. D. 25 ✓

Answer: 25. 25 × 25 = 625, so √625 = 25.

Question 2 · Integers

What is −15 + 9 − (−8)?

  1. A. −14
  2. B. 14
  3. C. 2 ✓
  4. D. −16

Answer: 2. Subtracting a negative adds: −15 + 9 + 8 = 2.

Question 3 · Averages

What is the average of 43, 46, 34, 35 and 37?

  1. A. 41
  2. B. 49
  3. C. 38
  4. D. 39 ✓

Answer: 39. Add the numbers: 43 + 46 + 34 + 35 + 37 = 195. Divide by 5: 195 ÷ 5 = 39.

Question 4 · Exponents

What is 2^4 × 2^2?

  1. A. 128
  2. B. 256
  3. C. 64 ✓
  4. D. 20

Answer: 64. When you multiply powers of the same base, add the exponents: 2^6 = 64.

Question 5 · Circles

A circle has a radius of 14 cm. What is its area? (Use π = 22/7)

  1. A. 196 cm²
  2. B. 638 cm²
  3. C. 616 cm² ✓
  4. D. 44 cm²

Answer: 616 cm². Area = π × r² = 22/7 × 14 × 14 = 616 cm².

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