If 321y72 is a multiple of 6, where y is a digit, what is the least value of y?
0
For the number to be divisible by 6, it must be divisible by both 2 and 3. By testing values of y, the least value of y is 0.
Find the least value of x for which 57x716 is divisible by 9.
Which of the following numbers is NOT divisible by 11?
From the given numbers A, B, C and D, which number is NOT divisible by 11?
A = 712712
B = 177210
C = 64614
D = 756148
Which of the following numbers is divisible by 7 ?