Question

A company makes 140 bags.
41 of the bags have buttons but no zips.
39 of the bags have zips but no buttons.
49 of the bags have neither zips nor buttons.
How many bags have zips on them?

Answer 1

The number of bags that have zips on them is 50.

Calculation of the number of bags:

Since there is 140 bags out of which  39 bags contain zips but have no buttons. Also, we assume that the remaining 11 bags should both have zips and buttons

So, here the total no of bags should be

= 39 + 11

= 50

So the number of bags that have zips on them is 50.

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