Quantitative Aptitude - Arithmetic Ability Questions

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

In a rectangle

In a right angled triangle ΔDEF, if the length of the hypotenuse EF is 12 cm, then the length of the median DX is

A 25m long ladder is rested on a wall. The foot of the ladder is 7m away from the wall. If the end of the ladder (resting on the wall) slides down 4m, then how far will its foot move away?

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given options.

If Cosecθ + Cotθ = 2, then Cotθ = ?

The value of 14 ÷ 5 of 2 - 3 x 47 - 2 is

23 x 31 = 713. How much is 0.0713 / 3.1?