Answer:

B. 40

Step-by-step explanation:

10 added by 2=12

12 added by 2 plus 2=16

16 added by 2 plus 2 plus 2 plus 2=24

Four number 2 is equivalent to 8

therefore

Multiply 8 to 2=16

add 24 to 16

And the answer is

40

..multiply 8 to 4=32

add 40 to 32=72

#CarryOnLearning