Question

A box contain 50 bolts and 150 nuts on checking the box it was found the half of the botls and half of the nuts are rusted if one items is chosen at random find the probability that it is rusted

Answer 1

No . of bolts= 50
No . of nuts= 150
Total no. Of items = 200
No. Of bolts rusted= 25
No. Of nuts rusted= 75
So, total no. Of items rusted= 25+75=100
P (picking item which is rusted)= 100/200


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