CAT 2020 Exam Shift 3 Solved Paper

Question : 71 of 76

Marks: +1, -0

How many of the integers

1,2, \ldots, 120

, are divisible by none of 2,5 and

7 ?

Solution:

The required answer

=120 ×(1-\;{1}/{2}) ×(1-\;{1}/{5}) ×(1-\;{1}/{7})=41.14

Required answer is the integral part of

41.14=41

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