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CBSE Maths · Class 10

Chapter 14: Probability

Name: ________________________
Date: ______________
Marks: ____ / 10

Classical (theoretical) probability, sample space, favourable outcomes, complementary events.

Questions

  1. PP(even) on a die.
  2. Two coins: PP(exactly one head).
  3. PP(prime) on a die.
  4. PP(red face card).
  5. PP(not king) from a deck.
  6. PP(leap year has 5353 Sundays).
  7. 55 red 33 blue balls: PP(red).
  8. Two dice thrown, PP(sum =8= 8).
  9. One card from deck: PP(black king).
  10. A bag has 1010 balls: 33 green, 55 red, 22 yellow. PP(not red)?

Extra Practice (Optional)

  • PP(sum =7= 7) on two dice.
  • PP(getting a doublet).
  • A card is drawn; PP(a queen or a heart).
  • PP(vowel from letters of 'MATHEMATICS').
  • Two dice: PP(product =12= 12).

Answer Key (For Teachers)

  1. Answer: 1/21/2.
    Working: 3/63/6.
  2. Answer: 1/21/2.
    Working: 2/42/4.
  3. Answer: 1/21/2.
    Working: Three primes.
  4. Answer: 3/263/26.
    Working: 6/526/52.
  5. Answer: 12/1312/13.
    Working: 14/521 - 4/52.
  6. Answer: 2/72/7.
    Working: 22 of 77 possible pairs.
  7. Answer: 5/85/8.
    Working: 5/85/8.
  8. Answer: 5/365/36.
    Working: 55 favourable of 3636.
  9. Answer: 1/261/26.
    Working: 2/522/52.
  10. Answer: 1/21/2.
    Working: 15/101 - 5/10.
Gyaan Maths · CBSE Class 10 · Chapter 14
Gyaan Maths — CBSE Class 6-10, built for board-toppers.
v1.1 · Feb 2026