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Probability — Class 10 CBSE Mathematics MCQs with Solutions
Free Class 10 CBSE Mathematics Probability MCQs with step-by-step solutions. Practise online on Prepizo — no login needed.
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Sample questions with solutions
Q1 — easy
Probability of any event always lies between:
A. −1 and 1
B. 0 and 1 ✓ Correct
C. 0 and 100
D. 1 and 10
Solution: Probability ranges from 0 to 1.
Q2 — easy
A coin is tossed once. The probability of a tail is:
A. 0
B. 1/4
C. 1/2 ✓ Correct
D. 1
Solution: One of two equally likely outcomes.
Q3 — easy
A die is rolled once. The probability of getting a 3 is:
A. 1/2
B. 1/3
C. 1/6 ✓ Correct
D. 3/6
Solution: One favourable outcome out of six.
Q4 — hard
A bag has 3 red, 4 white and 5 blue balls. The probability the ball is NOT red is:
A. 1/4
B. 3/4 ✓ Correct
C. 2/3
D. 5/12
Solution: 9 non-red out of 12 = 3/4.
Q5 — hard
One letter is chosen from the word "PROBABILITY". The probability it is a vowel is:
A. 3/11
B. 4/11 ✓ Correct
C. 5/11
D. 6/11
Solution: Vowels O, A, I, I = 4 of 11 letters.
Q6 — hard
Two dice are rolled. The probability of getting a doublet is:
A. 1/6 ✓ Correct
B. 1/12
C. 1/36
D. 5/36
Solution: 6 doublets out of 36 = 1/6.
Q7 — medium
If P(E) = 0.35, then P(not E) equals:
A. 0.35
B. 0.55
C. 0.65 ✓ Correct
D. 1.35
Solution: 1 − 0.35 = 0.65.
Q8 — medium
A card is drawn from a well-shuffled deck of 52. The probability it is a king is:
A. 1/13 ✓ Correct
B. 1/26
C. 1/52
D. 4/13
Solution: 4 kings out of 52 = 1/13.
Q9 — medium
Two coins are tossed. The probability of getting two heads is:
A. 1/4 ✓ Correct
B. 1/2
C. 3/4
D. 1
Solution: Only HH out of four outcomes.