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Probability
CBSE 2026 Board Exam Set 3 (Code 30/1/3)
CBSE_BOARD_PYQ_2026_30_1_3
Grade 10

Question:

[Section A]

If an event cannot occur, then its probability is:

(a) 1
(b) 1/2
(c) 5/6
(d) 0

Step-by-Step Solution

Key Concept: The probability of an impossible event is 0.
Probability of an impossible event is $0$. [1.0 Mark]

Correct Answer: (d) 0 (or (c) 5/6 in complementary event variant)
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