Question

5 7 31 8 3 81 8 9 72 7 7 ?

Answer 1

Answer:

97

Step-by-step explanation:

(3+1)-(7-5)=4-2=2

(8+1)-(8-3)=9-5=4

(7+2)-(9-8)=9-1=8

see the pattern at RHS 2=>4=>8=>16

(?)-(7-7)=(?)-0=16

(?)=16

according to answer sum of digit should equal to 16

and we have 97 i.e. 9+7=16

hope u understand

thank u.

that's all

Answer 2

Answer:

A) 97

Step-by-step explanation:

1.(3+1)-(7-5)=2 = 2

2.(8+1)-(8-3)=4 = 2^2

3.(7+2)-(9-8)=8 = 2^3

4.(9+7)-(7-7)=16 = 2^4

Hope it will help you.