What is the minimum number of foolscaps that can be shared among 2, 4 or 7 boys?
To be able to share foolscaps among 2, 4 or 7 boys, the number of foolscaps must be divisible by 2, 4 and 7.
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28
Multiples of 4: 4, 8, 12, 16, 20, 24, 28
Multiples of 7: 7, 14, 21, 28
Lowest common multiple of 2, 4 and 7: 28
Minimum number of foolscaps that can be shared among 2, 4 or 7 boys: 28
Answer(s): 28