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Cards Bearing Numbers 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20 Are Kept in a Bag. a Card is Drawn at Random from the Bag. Find the Probability of Getting a Card Which Is: - ICSE Class 10 - Mathematics

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Question

Cards bearing numbers 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20 are kept in a bag. A card is drawn at random from the bag. Find the probability of getting a card which is:

1) a prime number

2) a number divisible by 4.

3) a number that is a multiple of 6.

4) an odd number.

Solution

Total number of cards 10

1) Prime number card is 2

⇒ Number of favourable outcomes 1

∴ Required probability = `1/10`

2) Cards having number divisible by 4 are 4, 8, 12, 16, 20.

⇒ Number of favourable outcomes = 5

∴ Required probability = `5/10 = 1/2`

3) Cards having the number that is multiple of 6 are 6, 12, 18

⇒ Number of favourable outcomes = 3

∴ Required probability = `3/10`'

4) Odd number card is not there.

⇒ Number of favourable outcomes = 0

∴ Required probability = 0

  Is there an error in this question or solution?

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Solution Cards Bearing Numbers 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20 Are Kept in a Bag. a Card is Drawn at Random from the Bag. Find the Probability of Getting a Card Which Is: Concept: Simple Problems on Single Events.
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