A 2-digit number less than 55 gives a remainder of 3 when divided by 4. It gives a remainder of 3 when divided by 7. List the possible number(s) in ascending order.
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52
Multiples of 7: 7, 14, 21, 28, 35, 42, 49
Multiples of 4 (+ 3): 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55
Multiples of 7 (+ 3): 10, 17, 24, 31, 38, 45, 52
List of possible number(s) = 31
Answer(s): 31