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  1. The number of integers in between 100 and 600, which are divisible by 4 and 6 both, is
    1. 40
    2. 42
    3. 41
    4. 50
Correct Option: C

We have to find such numbers which are divisible by 12 (LCM of 4 and 6).
Number of numbers divisible by 12 and lying between 1 to 600

=
600
−1 = 49
12

Number of numbers divisible by 12 from 1 to 100 =
100
= 8
12

∴ Required answer = 49 – 8 = 41



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