Question

1,2,5,7,= 63 and 2,3,4,5= 72 then 1,2,3,4=?

Answer 1

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Answer 2

Hey mate,

◆ Answer-
1, 2, 3, 4 => 54

◆ Explaination-
Let given data is
a, b, c, d => Answer.
Then you'll notice that
Answer = 9(a+b+d-c+2)

Lets check this-
1, 2, 5, 7 => 9(1+2+7-5+2) => 9(7) => 63

Also for,
2, 3, 4, 5 => 9(2+3+5-4+2) => 9(8) => 72

Lets apply this to,
1, 2, 3, 4 => 9(1+2+4-3+2) => 9(6) => 54

Therefore,
1, 2, 3, 4 => 54

Hope this helps you...