Question

box contains 200 nuts out of which 75 nuts are rusted, if one nut is chosen at random from
the box find the probability that it is not a rusted nut​

Answer 1

Answer:

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Answer 2

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A box contains 50 bolts and 150 nuts. On checking the box, it was found that half of the bolts and half of the nuts are rusted. If one item is chosen at random, find the probability that it is rusted.

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$•Total \: number \: of \: nuts \: and \: bolts \: in \: the \: box \: = \: 150 + 50=200$

$• Number \: of \: nuts \: and bolts \: rusted \: = \frac{1}{2} × 200 = 100</p><p>•P(a \: rusted \: nut \: or \: bolt) \: = \frac{100}{200} = \frac{1}{2}$