Question

find ? and tell answer

Answer 1

In first
5+5+5+10=25
.•.
$\sqrt{25} = 5$
In second
8+10+7+11=36
.•.
$\sqrt{36} = 6$
In third
23+23+11+8=65
.•.
$\sqrt{65} = 8$
Approx
Hope it helps