Quantitative Aptitude - Arithmetic Ability Questions

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

Which one of the following combination of measurements can form the sides of a triangle?

Convert decimal 99 to binary.

A tap can fill a tank in 20 minutes. If a leakage is capable of emptying the tank in 60 minutes, the tank will be filled in

Five angles of a hexagon measure 116 deg each. What is the measure of the remaining angle?

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.

By what least number should 1200 be multiplied so that it becomes a perfect square?

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?