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Class 9–10 Maths quiz — 25 October 2026

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

Question 1 · Coordinate geometry

Find the distance between the points (3, −5) and (10, 19).

  1. A. 25 ✓
  2. B. 168
  3. C. 24
  4. D. 50

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

Question 2 · Arithmetic progressions

The first term of an AP is 9 and the common difference is 3. What is its 8th term?

  1. A. 30 ✓
  2. B. 33
  3. C. 27
  4. D. 35

Answer: 30. nth term = a + (n − 1)d = 9 + 7 × 3 = 30.

Question 3 · Quadratic equations

What is the larger root of x² − 13x + 36 = 0?

  1. A. 5
  2. B. 36
  3. C. 9 ✓
  4. D. 4

Answer: 9. x² − 13x + 36 = (x − 9)(x − 4) = 0, so the roots are 9 and 4. The larger is 9.

Question 4 · AP sums

Find the sum of the first 12 terms of the AP that starts at 3 with common difference 2.

  1. A. 180
  2. B. 150
  3. C. 168 ✓
  4. D. 336

Answer: 168. Sum = n/2 × (2a + (n − 1)d) = 12/2 × (6 + 22) = 168.

Question 5 · Probability

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

  1. A. 5/8
  2. B. 3/8 ✓
  3. C. 6/5
  4. D. 7/16

Answer: 3/8. Probability = favourable ÷ total = 6/16 = 3/8.

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