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Class 9–10 Maths quiz — 22 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 (5, 4) and (11, 12).

  1. A. 10 ✓
  2. B. 11
  3. C. 20
  4. D. 9

Answer: 10. Distance = √(6² + 8²) = √100 = 10.

Question 2 · Linear equations

If x + y = 7 and x − y = 5, what is x?

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

Answer: 6. Add the two equations: 2x = 7 + 5 = 12, so x = 6.

Question 3 · Mensuration

A cylinder has a radius of 7 cm and a height of 8 cm. What is its volume? (Use π = 22/7)

  1. A. 352 cm³
  2. B. 1232 cm³ ✓
  3. C. 2464 cm³
  4. D. 1239 cm³

Answer: 1232 cm³. Volume = π r² h = 22/7 × 7 × 7 × 8 = 1232 cm³.

Question 4 · Arithmetic progressions

The first term of an AP is 6 and the common difference is 9. What is its 16th term?

  1. A. 141 ✓
  2. B. 132
  3. C. 159
  4. D. 70

Answer: 141. nth term = a + (n − 1)d = 6 + 15 × 9 = 141.

Question 5 · Algebraic identities

If a + b = 13 and ab = 29, what is a² + b²?

  1. A. 111 ✓
  2. B. 113
  3. C. 140
  4. D. 58

Answer: 111. (a + b)² = a² + 2ab + b², so a² + b² = 13² − 2 × 29 = 169 − 58 = 111.

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