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Class 9–10 Maths quiz — 6 October 2026

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

Question 1 · Mensuration

A cylinder has a radius of 7 cm and a height of 13 cm. What is its volume? (Use π = 22/7)

  1. A. 2009 cm³
  2. B. 2002 cm³ ✓
  3. C. 572 cm³
  4. D. 286 cm³

Answer: 2002 cm³. Volume = π r² h = 22/7 × 7 × 7 × 13 = 2002 cm³.

Question 2 · Quadratic equations

What is the larger root of x² − 11x + 28 = 0?

  1. A. 28
  2. B. 7 ✓
  3. C. 3
  4. D. 8

Answer: 7. x² − 11x + 28 = (x − 7)(x − 4) = 0, so the roots are 7 and 4. The larger is 7.

Question 3 · Linear equations

If x + y = 16 and x − y = 8, what is x?

  1. A. 16
  2. B. 13
  3. C. 24
  4. D. 12 ✓

Answer: 12. Add the two equations: 2x = 16 + 8 = 24, so x = 12.

Question 4 · Probability

A bag holds 2 red, 6 blue and 5 green balls. One ball is picked at random. What is the probability it is red?

  1. A. 1/7
  2. B. 6/13
  3. C. 2/13 ✓
  4. D. 11/13

Answer: 2/13. Probability = favourable ÷ total = 2/13.

Question 5 · Coordinate geometry

Find the distance between the points (4, 2) and (11, 26).

  1. A. 26
  2. B. 24
  3. C. 25 ✓
  4. D. 168

Answer: 25. Distance = √(7² + 24²) = √625 = 25.

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