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Question: a box contains 20 electric bulbs , out of which 4 are defective . 2 bulbs are chosen at random from this box . The probability that at least one of these is defective is
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Question: a box contains 20 electric bulbs , out of which 4 are defective . 2 bulbs are chosen at random from this box . The probability that at least one of these is defective is
Question 1: a box contains 20 electric bulbs , out of which 4 are defective . 2 bulbs are chosen at random from this box . The probability that at least one of these is defective is
View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)
7/19
6/19
45065
3/19
Source: Sonali bank Ltd : officer ( cash) -27.04.2018
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Answer: 45065
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বিপরীত শব্দ
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Degrees of Comparison
বিরাম চিহ্ন বা যতি চিহ্ন বা ছেদ চিহ্ন
সংবিধান
পরিমিতি (Mensuration)
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