Quantitative Aptitude - Arithmetic Ability Questions

Which of the following is the least of all?

The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level in the vessel will rise by

ABCD is a cyclic trapezium in which AD || BC. If ∠ABC = 70°, then ∠BCD 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?

Find the smallest of the following decimals.

Which of the following numbers is composite?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.