LCM of two numbers is 180. Then which of the following is not the
HCF of the numbers?
(A) 45 (B) 60 (C) 75 (D) 90
Which of the following numbers is divisible by 11?
(A) 1011011 (B) 1111111 (C) 22222222 (D) 3333333
The greatest number which always divides the product of the predecessor and successor of an odd natural number other than 1, is
(A) 6 (B) 4 (C) 16 (D) 8
A number is divisible by 5 and 6. It may not be divisible by
(A) 10 (B) 15 (C) 30 (D) 60
The largest number which always divides the sum of any pair of
consecutive odd numbers is
(A) 2 (B) 4 (C) 6 (D) 8