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Playing With Numbers

Find the value of k where 31k 2 is divisible by 6.

Playing With Numbers

212 x 5 is a multiple of 3 and 11. Find the value of x.

Playing With Numbers

A five-digit number AABAA is divisible by 33. Write all the numbers of this form.

Playing With Numbers

If 1AB + CCA = 697 and there is no carry–over in addition, find the value of A + B + C.

Playing With Numbers

Find the least value that must be given to number a so that the number 91876a2 is divisible by 8.

Playing With Numbers

State whether the statement given in question is true (T) or false (F):

If N ÷ 5 leaves remainder 3 and N ÷ 2 leaves remainder 0, then
N ÷ 10 leaves remainder 4

Playing With Numbers

State whether the statement given in question is true (T) or false (F):

If 213x 27 is divisible by 9, then the value of x is 0.

Playing With Numbers

State whether the statement given in question is true (T) or false (F):

If AB + 7C = 102, where B ≠ 0, C ≠ 0, then A + B + C = 14.

Playing With Numbers

State whether the statement given in question is true (T) or false (F):

If AB × 4 = 192, then A + B = 7.

Playing With Numbers

State whether the statement given in question is true (T) or false (F):

If a number a is divisible by b, then it must be divisible by each factor of b