Among 170 students of a class, 155 students participate in one or more – McqOptions

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1.	Among 170 students of a class, 155 students participate in one or more of the three classes: Guitar, Drum and Violin. Total 21 students participate on any and only two of three classes. 54 students participate in Drum class only, whereas 43 students participate in Violin class only 5 students participate in all the three classes. How many students participate in Guitar class only?
A.	47
B.	30
C.	32
D.	42
Answer» D. 42

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