Answer:

1. 20
2. 33
3. 12
4. 4
5. 5

Step-by-step explanation:

1.

3 x 5 = 15

4 x 5 = 20

2.

7 x 3 = 21

11 x 3 = 33

3.

5 x 2 = 10

6 x 2 = 12

4.

3 x 4 = 12

4 x 4 = 16

5.

5 x 1 = 5

2 x 5 = 10

Hope it would help.