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Question
A bag contains 100 identical marble stones numbered from 1 to 100. What is the probability of drawing a marble having number divisible by 4 and 5?
A bag contains 100 identical marble stones numbered from 1 to 100. What is the probability of drawing a marble having number divisible by 4 and 5?
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Solution
The correct option is D 2/40
Numbers divisible by 4 and 5 are 20, 40, 60, 80, 100.
Hence P = No. of favourable outcomesTotal no. of outcomes = 5100= 120 = 240
2/40
Numbers divisible by 4 and 5 are 20, 40, 60, 80, 100.
Hence P = No. of favourable outcomesTotal no. of outcomes = 5100= 120 = 240
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