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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. If the king is drawn and put aside - Mathematics

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प्रश्न

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. 

 If the king is drawn and put aside, what is the probability that the second card picked up is: 

  1. an ace?
  2. a king?
योग

उत्तर

Total number of possible outcomes = 7 

a. If a king is drawn and put aside, then total possible outcomes = 6

Number of favorable outcomes for an ace = 1 

P(card is an ace) = `1/6` 

b. Now, for second pick number of king = 0 

Number of favorable outcomes for a king = 0 

P(card is a king) = `0/6 = 0`

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अध्याय 25: Probability - Exercise 25 (C) [पृष्ठ ३९५]

APPEARS IN

सेलिना Mathematics [English] Class 10 ICSE
अध्याय 25 Probability
Exercise 25 (C) | Q 21.2 | पृष्ठ ३९५

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