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प्रश्न
A box contains cards numbered from 1 to 20. A card is drawn at random from the box. Find the probability that the number on the drawn card is a number divisible by 3.
संख्यात्मक
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उत्तर
Total number of cards in the box = 20.
Numbers divisible by 3 from among given numbers are 3, 6, 9, 12, 15, 18.
Number of these numbers divisible by 3 = 6.
∴ P(getting a number divisible by 3) = `6/20 = 3/10`.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 19: Probability - EXERCISE 19 [पृष्ठ ९३०]
