Which among the following state has lowest labour wages

In a regular polygon, the ratio of the exterior angle to the interior angle is 4:5. Find the interior angle of the polygon.

In a given Figure, ON ∥ QR and MN ∥ OR.

in the given figure, ABCD is a square whose side is 4 cm. P is a point on the side AD. What is the minimum value (in cm) of BP + CP ?

Angles of a triangle are in the ratio 3 : 5 : 10. Find the sum of the smallest and middle angle of the triangle.

Angles of a triangle are in the ratio 1 : 2 : 3. Find the measure of the largest angle.

If I is the incentre of ΔABC , if  ∠ BAC = 65⁰ , then what is the measure of  ∠ BIC?

In ∆ABC , G is the centroid , AB = 18 cm, BC= 24 cm and AC = 30 cm , find GD, where D is the mid-point of BC?

The length of the each side of an equilateral triangle is 42√3 cm . The area of circumcircle, (cm ² ) is