Question

4:25, 6 : 49, 1:4, -2 : ?
(1) 4
(2) 9
(3) 0
(4) 1

Answer is - (4) 1

Can anyone explain how it's 1?​

Answer 1

4:(4+1)²,6:(6+1)²,1:(1+1)² ,

= -2:(-2+1)2

=-2:(-1)²

=-2:1

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Answer 2

Step-by-step explanation:

4 : = (4+1)^2

= (5)^2

=5*5=25

6:=(6+1)^2

=(7)^2

7*7=49

1:=(1+1)^2

=(2)^2

=2*2=4

-2:=(-2+1)^2

=(-1)^2

=(-1)*(-1) =1

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