All factors of 6 are

All factors of 6 are
(a) 1, 6
(b) 2, 3
(c) 1, 2, 3
(d) 1, 2, 3, 6

Solution:

Which of the following is an odd composite number?
(a) 7
(b) 9
(c) 11
(d) 12

Solution:

The number of even numbers between 68 and 90 is
(a) 10
(b) 11
(c) 12
(d) 31

Solution:

More Solutions:

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• The number of common prime factors of 60, 75 and 105 is