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Probability
CBSE 2026 Board Exam Set 1 (Code 30/1/1)
CBSE_BOARD_PYQ_2026_30_1_1
Grade 10

Question:

[Section A]

Which of the following cannot be the probability of an event?

(A) $2/3$
(B) $-1.5$
(C) $15\%$
(D) $0.7$

Step-by-Step Solution

Key Concept: Probability cannot be negative.
Sol. (B) $-1.5$. [1.0 Mark]

Correct Answer: (B) $-1.5$
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