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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 composite number.
संख्यात्मक
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उत्तर
Total number of cards in the box = 20.
Composite numbers from among given numbers are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20.
Number of these composite numbers = 11.
∴ P(getting a composite number) = `11/20`.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 19: Probability - EXERCISE 19 [पृष्ठ ९३०]
