5 times 7 = 35
Multiply 7 by any odd number, then check whether the result is between 5 and 50.
7, 14, 21, 28, 35, 42
They are: 140, 280, 420, 560, 700.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91 . . .
Conventional dice have six sides; no sevens.
21
1 and 7
Since 10 is a multiple of 5, all multiples of 10 are multiples of 5.
It is a heptagon.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126, 133, 140
Because they are multiples of 5. All multiples of 5 have 5 as a factor, which means they are divisible by 5.
3,6,9,12,15,18,21,24,27,30,33,36,39,42are multiples of 3 5,10,15,20,25,30,35,40,45,50,55,60,65,are multiples of 5