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A box contains 50 bolts and 50 nuts. Half of the bolts and nuts are rusted.

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A box contains 50 bolts and 50 nuts. Half of the bolts and nuts are rusted. If two items are drawn with replacement, what is the probability that either both are rusted or both are bolts.

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Total number of bolts = 50

Total number of nuts = 50

Total number of rusted bolts = 25

Total number of rusted nuts = 25

Total no. of items = 100

Total no. rusted items = 50

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