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Class 9–10 Maths quiz — 12 November 2026

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

Question 1 · Quadratic equations

What is the larger root of x² − 10x + 24 = 0?

  1. A. 6 ✓
  2. B. 2
  3. C. 4
  4. D. 10

Answer: 6. x² − 10x + 24 = (x − 6)(x − 4) = 0, so the roots are 6 and 4. The larger is 6.

Question 2 · Probability

A bag holds 6 red, 3 blue and 3 green balls. One ball is picked at random. What is the probability it is red?

  1. A. 7/12
  2. B. 1/2 ✓
  3. C. 2
  4. D. 6/13

Answer: 1/2. Probability = favourable ÷ total = 6/12 = 1/2.

Question 3 · Linear equations

If x + y = 10 and x − y = 6, what is x?

  1. A. 8 ✓
  2. B. 2
  3. C. 16
  4. D. 6

Answer: 8. Add the two equations: 2x = 10 + 6 = 16, so x = 8.

Question 4 · Arithmetic progressions

The first term of an AP is 14 and the common difference is 7. What is its 10th term?

  1. A. 77 ✓
  2. B. 91
  3. C. 84
  4. D. 108

Answer: 77. nth term = a + (n − 1)d = 14 + 9 × 7 = 77.

Question 5 · Mensuration

A cylinder has a radius of 7 cm and a height of 4 cm. What is its volume? (Use π = 22/7)

  1. A. 88 cm³
  2. B. 1232 cm³
  3. C. 770 cm³
  4. D. 616 cm³ ✓

Answer: 616 cm³. Volume = π r² h = 22/7 × 7 × 7 × 4 = 616 cm³.

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