Question

7,5(31), 8,9(72), 7,7 (?), 8,3 (81

Answer 1

Answer:

Our answer is 97

Step-by-step explanation:

We are given,

5 , 7 , ( 31 )

8 , 3 , ( 81 )

8 , 9 , ( 72 )

To find :  7 , 7 , ( ? )

Following is the pattern followed in above series.

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

2nd). ( 8 + 1 ) - ( 8 - 3 ) = 9 - ( 5 ) = 4

3rd). ( 7 + 2 ) - ( 9 - 8 ) = 9 - ( 1 ) = 8

4th). ( 9 + 7 ) - ( 7 - 7 ) = 16 - 0 = 16

Therefore, Our answer is 97