Question

1 2 5 3 =13
1 4 5 6=?
1 9 5 4=17​

Answer 1

Answer:

16

Step-by-step explanation:

as in 1st, 2 is added

as in 3rd, 2 is subtracted

so, in 2nd nothing will be added or subtracted

therfor,

1+4+5+6=16

Answer 2

Answer:2

Step-by-step explanation:1 2 5 3=13

1 9 5 4 =17

Let

A B C D=E

Then E =(C-B)^2+(C-D)^2