Question

A box contains 70 bolts and 130 nuts.on checking the box it was found that halt of the bolts and halt of the nuts are rusted.if one of them is chosen at random , find the probability that it is rusted?

Answer 1

Answer:

propability=1/2

Step-by-step explanation:

Total no. of things in box=bolts +nuts=70+130=200

half of them are rusted , so no. of rusted nuts and bolts=200/2=100.

propability=no.of rusted nuts and bolts/total no. of nuts and bolts=100/200=1/2.

Therefore , propability that it is rusted =1/2 or 0.5.

hope it will help you.

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Answer 2

Answer:

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