What is the smallest possible number which will give a remainder of 4 when divided by either 7 or 10?
Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70
Multiples of 10: 10, 20, 30, 40, 50, 60, 70
Lowest common multiple of 7 and 10 = 70
Smallest possible number
= 70 + 4
= 74
Answer(s): 74