In a school of 160 pupils, 75 have pencils, 87 has pen and 93 has rulers. 25 have both pencils and pens, 30 have both pencils and rulers while 47 have both pen and rulers. Each pupils has at least one of the three items.
(a) Draw a vein diagram to illustrate the information.
(b) How many pupils have pencils only.?
In Mathematics
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Asked by jenny max on 29th October, 2021
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