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Seven cards:- the eight, the nine, the ten, jack, queen, king and ace of diamonds are well shuffled. One card is then picked up at random. - Mathematics

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Question

Seven cards:- the eight, the nine, the ten, jack, queen, king and ace of diamonds are well shuffled. One card is then picked up at random. 

What is the probability that the card drawn is the eight or the king? 

Sum

Solution

Total number of possible outcomes = 7 

Number of favorable outcomes for the card is 8 or the king = 2 

P(card is 8 or the king) = `2/7`

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Chapter 25: Probability - Exercise 25 (C) [Page 395]

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Selina Mathematics [English] Class 10 ICSE
Chapter 25 Probability
Exercise 25 (C) | Q 21.1 | Page 395

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