Question 7 - NCERT Exemplar - MCQ - Chapter 14 Class 10 Probability

Last updated at August 14, 2026 by

If the probability of an event is p, the probability of its complementary event will be

(A) p − 1  

(B) p

(C) 1 − p  

(D) 1 − 1/p

MCQ (NCERT Exemplar) - If the probability of an event is p, then - NCERT Exemplar - MCQ

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Question 7 If the probability of an event is p, the probability of its complementary event will be p − 1 (B) p (C) 1 − p (D) 1 − 1/𝑝 We know that Probability of event + Probability of complementary event = 1 p + Probability of complementary event = 1 Probability of complementary event = 1 − p So, the correct answer is (C)

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