Mathematics Objective Questions and Answers: Chapter 14 Probability
Review structured MCQ sets for Class 10 Mathematics Chapter 14 Probability. Built according to official CBSE guidelines, these downloadable questions support daily revision and core concept reinforcement.
Download Chapter 14 Probability MCQs with Answers
Navigate directly to the 50 objective questions for Chapter 14 Probability using the digital viewer below. Each practice set includes verified answer keys, allowing students to instantly cross-check their work and identify areas requiring further revision.
Multiple Choice Questions
(a) \( \frac{103}{108} \)
(b) \( \frac{103}{216} \)
(c) \( \frac{5}{108} \)
(d) \( \frac{47}{216} \)
Show Answer & Explanation
Answer: (a) \( \frac{103}{108} \)
Explanation:
1. There are 216 outcomes. Totals less than 6 are 3, 4, 5: (1,1,1), three with total 4 and six with total 5 make 10. P = 1 − 10/216 = 103/108.
Teacher's Note:
1. Use the complement.
(a) \( \frac{1}{3} \)
(b) \( \frac{2}{3} \)
(c) \( \frac{1}{6} \)
(d) \( \frac{1}{2} \)
Show Answer & Explanation
Answer: (d) \( \frac{1}{2} \)
Explanation:
1. The primes are 2, 3, 5, so P = 3/6 = 1/2.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{2} \)
(b) \( \frac{5}{6} \)
(c) \( \frac{2}{3} \)
(d) \( \frac{1}{3} \)
Show Answer & Explanation
Answer: (c) \( \frac{2}{3} \)
Explanation:
1. Even: {2, 4, 6}; multiples of 3: {3, 6}. The union is {2, 3, 4, 6}, so P = 4/6 = 2/3.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{3}{13} \)
(b) \( \frac{3}{26} \)
(c) \( \frac{1}{13} \)
(d) \( \frac{6}{13} \)
Show Answer & Explanation
Answer: (b) \( \frac{3}{26} \)
Explanation:
1. Black face cards: jack, queen, king of spades and clubs = 6. P = 6/52 = 3/26.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{2}{7} \)
(b) \( \frac{1}{7} \)
(c) \( \frac{1}{52} \)
(d) \( \frac{53}{365} \)
Show Answer & Explanation
Answer: (b) \( \frac{1}{7} \)
Explanation:
1. The year has 52 full weeks and 1 extra day, which can be any of the 7 days with equal chance. P(Tuesday) = 1/7.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{9}{20} \)
(b) \( \frac{11}{20} \)
(c) \( \frac{7}{20} \)
(d) \( \frac{1}{5} \)
Show Answer & Explanation
Answer: (a) \( \frac{9}{20} \)
Explanation:
1. 9 of the 20 balls are red, so P = 9/20.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{7} \)
(b) \( \frac{3}{7} \)
(c) \( \frac{1}{366} \)
(d) \( \frac{2}{7} \)
Show Answer & Explanation
Answer: (d) \( \frac{2}{7} \)
Explanation:
1. A leap year has 52 weeks plus 2 extra days. The pairs of extra days are (Mon,Tue), (Tue,Wed), ..., (Sun,Mon): 7 pairs, of which 2 contain Sunday. P = 2/7.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{2} \)
(b) \( \frac{15}{26} \)
(c) \( \frac{7}{13} \)
(d) \( \frac{3}{13} \)
Show Answer & Explanation
Answer: (c) \( \frac{7}{13} \)
Explanation:
1. Red: 26, kings: 4, red kings: 2. Red or king = 26 + 4 − 2 = 28. P = 28/52 = 7/13.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{10}{13} \)
(b) \( \frac{36}{13} \)
(c) \( \frac{9}{13} \)
(d) \( \frac{3}{4} \)
Show Answer & Explanation
Answer: (c) \( \frac{9}{13} \)
Explanation:
1. Heart or king = 13 + 4 − 1 = 16. Neither = 52 − 16 = 36. P = 36/52 = 9/13.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{6} \)
(b) \( \frac{1}{9} \)
(c) \( \frac{1}{12} \)
(d) \( \frac{5}{36} \)
Show Answer & Explanation
Answer: (b) \( \frac{1}{9} \)
Explanation:
1. The pairs (3,6), (4,5), (5,4), (6,3) give 4 outcomes of 36. P = 1/9.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{6} \)
(b) \( \frac{1}{4} \)
(c) \( \frac{1}{9} \)
(d) \( \frac{1}{3} \)
Show Answer & Explanation
Answer: (a) \( \frac{1}{6} \)
Explanation:
1. The doublets (1,1) to (6,6) are 6 of 36 outcomes. P = 1/6.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{3} \)
(b) \( \frac{1}{4} \)
(c) \( \frac{5}{18} \)
(d) \( \frac{11}{36} \)
Show Answer & Explanation
Answer: (d) \( \frac{11}{36} \)
Explanation:
1. Even on the first and a multiple of 3 on the second: 3 × 2 = 6. The reverse: 6. Both counted twice: (6,6) appears in both, so 6 + 6 − 1 = 11 of 36.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{12} \)
(b) \( \frac{1}{4} \)
(c) \( \frac{1}{3} \)
(d) \( \frac{1}{6} \)
Show Answer & Explanation
Answer: (d) \( \frac{1}{6} \)
Explanation:
1. Odd on the first and 6 on the second: 3. The reverse: 3. Total 6 of 36 (no overlap), so P = 1/6.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{36} \)
(b) \( \frac{1}{12} \)
(c) \( \frac{1}{18} \)
(d) \( \frac{1}{9} \)
Show Answer & Explanation
Answer: (c) \( \frac{1}{18} \)
Explanation:
1. The outcomes (5,6) and (6,5) give 2 of 36, so P = 1/18.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{4} \)
(b) \( \frac{1}{2} \)
(c) \( \frac{3}{4} \)
(d) \( \frac{1}{3} \)
Show Answer & Explanation
Answer: (b) \( \frac{1}{2} \)
Explanation:
1. Outcomes HT and TH are 2 of 4. P = 1/2.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{4} \)
(b) \( \frac{1}{6} \)
(c) \( \frac{1}{3} \)
(d) \( \frac{1}{9} \)
Show Answer & Explanation
Answer: (a) \( \frac{1}{4} \)
Explanation:
1. Primes: 2, 3, 5. 3 × 3 = 9 of 36, so P = 1/4.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{3}{8} \)
(b) \( \frac{1}{8} \)
(c) \( \frac{1}{2} \)
(d) \( \frac{1}{4} \)
Show Answer & Explanation
Answer: (a) \( \frac{3}{8} \)
Explanation:
1. HHT, HTH, THH: 3 of 8 outcomes, so P = 3/8.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{13} \)
(b) \( \frac{2}{13} \)
(c) \( \frac{8}{13} \)
(d) \( \frac{4}{13} \)
Show Answer & Explanation
Answer: (d) \( \frac{4}{13} \)
Explanation:
1. There are 4 × 4 = 16 such cards. P = 16/52 = 4/13.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{3} \)
(b) \( \frac{7}{15} \)
(c) \( \frac{2}{3} \)
(d) \( \frac{1}{5} \)
Show Answer & Explanation
Answer: (c) \( \frac{2}{3} \)
Explanation:
1. Not black: 3 + 7 = 10 of 15. P = 2/3.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{2}{365} \)
(b) \( \frac{1}{365} \)
(c) \( \frac{1}{730} \)
(d) \( \frac{1}{100000} \)
Show Answer & Explanation
Answer: (b) \( \frac{1}{365} \)
Explanation:
1. The first person's birthday can be any day; the second matches it with probability 1/365.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{6} \)
(b) \( \frac{5}{18} \)
(c) \( \frac{11}{36} \)
(d) \( \frac{7}{36} \)
Show Answer & Explanation
Answer: (b) \( \frac{5}{18} \)
Explanation:
1. Doublets: 6; total 6: (1,5), (2,4), (3,3), (4,2), (5,1) = 5; (3,3) is in both. 6 + 5 − 1 = 10 of 36, so P = 5/18.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{233}{500} \)
(b) \( \frac{1}{2} \)
(c) \( \frac{133}{250} \)
(d) \( \frac{83}{250} \)
Show Answer & Explanation
Answer: (a) \( \frac{233}{500} \)
Explanation:
1. Multiples of 3: 166; of 5: 100; of 15: 33. Either: 166 + 100 − 33 = 233. P = 233/500.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{4} \)
(b) \( \frac{17}{52} \)
(c) \( \frac{3}{13} \)
(d) \( \frac{4}{13} \)
Show Answer & Explanation
Answer: (d) \( \frac{4}{13} \)
Explanation:
1. Spades 13, kings 4, king of spades counted twice: 13 + 4 − 1 = 16. P = 16/52 = 4/13.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{2} \)
(b) \( \frac{1}{3} \)
(c) \( \frac{2}{3} \)
(d) \( \frac{5}{6} \)
Show Answer & Explanation
Answer: (c) \( \frac{2}{3} \)
Explanation:
1. The outcomes 1, 2, 3, 4 give 4 of 6, so P = 2/3.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{1}{6} \)
(b) \( \frac{1}{2} \)
(c) \( 0 \)
(d) \( 1 \)
Show Answer & Explanation
Answer: (c) \( 0 \)
Explanation:
1. No face shows more than 6, so the event is impossible and P = 0.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
(a) \( \frac{3}{8} \)
(b) \( \frac{1}{2} \)
(c) \( \frac{1}{4} \)
(d) \( \frac{7}{8} \)
Show Answer & Explanation
Answer: (b) \( \frac{1}{2} \)
Explanation:
1. Two heads: 3 outcomes; three heads: 1. Total 4 of 8, so P = 1/2.
Teacher's Note:
1. P(E) = favourable outcomes / total outcomes.
Free study material for Mathematics
Practice MCQs for Class 10 Mathematics Chapter 14 Probability
Download Multiple Choice Questions: Chapter 14 Probability (Class 10 Mathematics)
Explore reliable practice questions for Chapter 14 Probability tailored for Class 10 Mathematics learners. Use these multiple-choice formats to evaluate preparedness and strengthen problem-solving skills.
Concept Clarification for Chapter 14 Probability
Each question includes structured solution keys mapped directly to standard CBSE textbooks, helping students evaluate their reasoning and correct mistakes early in their revision.
Additional Study Resources for Class 10 Mathematics
Follow up your worksheet practice by attempting the interactive online Mathematics MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.
FAQs
You can get most exhaustive CBSE Class 10 Mathematics Probability MCQs Set 15 for free on StudiesToday.com. These MCQs for Class 10 Mathematics are updated for the 2026-27 academic session as per CBSE examination standards.
Yes, our CBSE Class 10 Mathematics Probability MCQs Set 15 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the CBSE paper is now competency-based.
By solving our CBSE Class 10 Mathematics Probability MCQs Set 15, Class 10 students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Mathematics.
Yes, Mathematics MCQs for Class 10 have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused CBSE exams.
Yes, you can also access online interactive tests for CBSE Class 10 Mathematics Probability MCQs Set 15 on StudiesToday.com as they provide instant answers and score to help you track your progress in Mathematics.