Elitmus Exam Numerical Ability Area and Volume

a triangle with sides 3,4,5 are present,then we draw the square according to that side of square is base(each side) of triangle,then what is the area which three squares are join together.

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Elitmus Other Question

A rectangle is inscribed in circle of area pi/2 with radius r,then what is perimeter of rectangle
1)2r
2)8r
3)2sqrt(2)r
4)4sqrt(2)r
x lies from 121 < x >1331, x^2+1 when divided by 11 what will not be the remainder .
A.1 b.4 c.6 d.8