In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subjects?
19
41
21
26

Answer rating: 100% (QA)

The correct option is B 41 P 2 4 6 118 120 C 5 10 15 115 120 M 7 ... View the full answer