Remainders

If x = (163 + 173 + 183 + 193), then x divided by 70 leaves a remainder of

  1. 0
  2. 1
  3. 35
  4. 69

Answer

16 + 17 + 18 + 19 = 70

x = 70k (k is any positive number)

Thus, x is divisible by 70.

The correct option is A.