in a class, 20 opted for physics,17for maths,5for both and
10 for other subjects.the class contains how many students ?

Answer Posted / karthika

physics=20
maths=17
both=5
so, now phy+mat-both=20+17-5=32
other=10.
so...32+10=42

Is This Answer Correct ?    11 Yes 1 No



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