Quantitative Aptitude - Arithmetic Ability Questions

If Cosecθ + Cotθ = 2, then Cotθ = ?

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 40√3 m away from the tower, how tall was the tower?

If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?

A cylindrical vessel of radius 7 cm is partially filled with water. By how much will the water level rise if a sphere of radius 6 cm is completely immersed in this water?

Find the number which is NOT a prime number.

The volume of a hemisphere is 5749.33 cm³. Find its diameter (in cm).

How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?

The length of the radius of a circle with centre O is 5 cm and the length of the chord AB is 8 cm. The distance of the chord AB from the point O is