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NCERT Class 12 Mathematics Chapters
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1.
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If P
 = 0·3, P(A) = 0·4 and P(B) = 0·8, then P is equal to :(a) 0·6 (b) 0·3 (c) 0·06 (d) 0·4
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2.
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If the sum of numbers obtained on throwing a pair of dice is 9, then the probability that number obtained on one of the dice is 4, is :
(a)
 (b)  (c)  (d)  |
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3.
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If 𝐴 and 𝐵 are two events such that 𝑃(𝐴/𝐵) = 2×𝑃(𝐵/𝐴) and 𝑃(𝐴)+𝑃(𝐵)=
 , then 𝑃(𝐵) is equal to:(a)
 (b)  (c)  (d)  |
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4.
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If for two events A and B, P(A - B) =
 and P(A) =  , then P is equal to(a)
 (b) (c)  (d)  |
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5.
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If P(A ∩ B) =
 and P( ) =  , then P is equal to :(a)
 (b)  (c)  (d)  |
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1.
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Let A and B be two events such that P(A) =
 , P(B) =  and P(A/B) =  . Find the value of P(B/A).(CBSE 2022, 2M)
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2.
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A pair of dice is thrown. It is given that the sum of numbers appearing on both dice is an even number. Find the probability that the number appearing on at least one die is 3.
(CBSE 2022, 2M)
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3.
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A pair of dice is thrown and the sum of the numbers appearing on the dice is observed to be 7. Find the probability that the number 5 has appeared on atleast one die.
(CBSE 2022, 2M, with Optional Question)
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4.
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A bag contains 3 red and 4 white balls. Three balls are drawn at random, one-by-one without replacement from the bag. If the first ball drawn is red in colour, then find the probability that the remaining two balls drawn are also red in colour.
(CBSE 2022, 2M)
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5.
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Three friends A, B and C got their photograph clicked. Find the probability that B is standing at the central position, given that A is standing at the left corner.
(CBSE 2022, 2M)
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Chapter Name
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Sub Topic Name
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Probability
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13.1 Introduction to Probability Theory
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13.2 Random Experiments and Sample Space
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13.3 Events and Their Types
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13.4 Probability of an Event
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13.5 Conditional Probability
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13.6 Bayes' Theorem
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13.7 Theorems of Probability
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13.8 Random Variables and Distribution
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