20, 40, 60
The first 5 multiples of 1 are: 1, 2, 3, 4, and 5.
The first 5 multiples of 1 are: 1, 2, 3, 4, and 5.
12,24,36,48
1, 2, 3, 4, 5.
1, 2, 3, 4, 5.
The first common multiple of 3 4 5 and 7 is 420.
3, 6, 9 4, 8, 12 5, 10, 15 Common multiples include 60, 120, and 180.
The first 3 common multiples of 4 and 5 are: 20, 40, and 60.
The average of {1,2,3,4,5} is 3 so the answer is 3*4 = 12.
1, 2, 3, 4, 5.
The 3 first multiples of 75 are: 1, 3, and 5.
5 + 10+15+20=50 ans