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Class 7–8 Maths quiz — 22 October 2026

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

Question 1 · Triangle area

A triangle has a base of 28 cm and a height of 11 cm. What is its area?

  1. A. 165 cm²
  2. B. 308 cm²
  3. C. 154 cm² ✓
  4. D. 39 cm²

Answer: 154 cm². Area = ½ × base × height = ½ × 28 × 11 = 154 cm².

Question 2 · Linear equations

Solve for x: 9x + 2 = 74

  1. A. 10
  2. B. 8 ✓
  3. C. 11
  4. D. 72

Answer: 8. Subtract 2 from both sides: 9x = 72. Divide by 9: x = 8.

Question 3 · Integers

What is −12 + 10 − (−3)?

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

Answer: 1. Subtracting a negative adds: −12 + 10 + 3 = 1.

Question 4 · Square roots

What is the square root of 484?

  1. A. 44
  2. B. 24
  3. C. 242
  4. D. 22 ✓

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

Question 5 · Circles

A circle has a radius of 21 cm. What is its area? (Use π = 22/7)

  1. A. 1386 cm² ✓
  2. B. 132 cm²
  3. C. 1408 cm²
  4. D. 2772 cm²

Answer: 1386 cm². Area = π × r² = 22/7 × 21 × 21 = 1386 cm².

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