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Class 7–8 Maths quiz — 7 October 2026

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

Question 1 · Averages

What is the average of 31, 44, 49, 52 and 24?

  1. A. 42
  2. B. 40 ✓
  3. C. 39
  4. D. 38

Answer: 40. Add the numbers: 31 + 44 + 49 + 52 + 24 = 200. Divide by 5: 200 ÷ 5 = 40.

Question 2 · Integers

What is −8 + 7 − (−4)?

  1. A. 5
  2. B. 11
  3. C. 3 ✓
  4. D. −19

Answer: 3. Subtracting a negative adds: −8 + 7 + 4 = 3.

Question 3 · Triangle area

A triangle has a base of 16 cm and a height of 10 cm. What is its area?

  1. A. 80 cm² ✓
  2. B. 160 cm²
  3. C. 320 cm²
  4. D. 26 cm²

Answer: 80 cm². Area = ½ × base × height = ½ × 16 × 10 = 80 cm².

Question 4 · Circles

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

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

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

Question 5 · Square roots

What is the square root of 529?

  1. A. 24
  2. B. 25
  3. C. 22
  4. D. 23 ✓

Answer: 23. 23 × 23 = 529, so √529 = 23.

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