NCERT Solutions for Class 10 Maths Chapter 15
Important NCERT Questions
PROBABILITY
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 9.1
Page No:309
Questions No:14
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (i) a king of red colour (ii) a face card (iii) a red face card (iv) the jack of hearts (v) a spade (vi) the queen of diamonds.
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Total number of cards in a well-shuffled deck = 52
(i) Total number of kings of red colour = 2
P(getting a number greater than 2) = (Number of favourable outcomes)/(Number of total possible outcomes) = 2/52 = 1/26
(ii) Total number of face cards = 12
p(getting a face card) = (Number of favourable outcomes)/(Number of total possible outcomes) = 12/52 = 3/13
(iii) Total number of red cards = 6
P(getting a red face card) = (Number of favourable outcomes)/(Number of total possible outcomes) = 6/52 = 3/26
(iv) Total number of jack of hearts = 1
P(getting a jack of hearts) = (Number of favourable outcomes)/(Number of total possible outcomes) = 1/52
(v) Total number of spade cards = 13
P(getting a Spade card) = (Number of favourable outcomes)/Number of total possible outcomes) = 13/52 = 1/4
(vi) Total number of queen of diamonds = 1
P(getting a queen of Diamonds) = (Number of favorable outcomes)/(Number of total possible outcomes) = 1/52