Quantitative Aptitude - Arithmetic Ability Questions

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

The radius of a sphere and right circular cylinder is 'r'. Their volumes are equal. The ratio of the height and radius of the cylinder is:

The area and the length of one of the diagonals of a rhombus is 60 cm2 and 8 cm respectively. Find the length of its other diagonal (in cm).

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

The ratio of two numbers is 5 : 9 and their difference is 44. What will be the smaller number among both the numbers?

How many three digit whole numbers are there between 75 and 405?

Which of the following is correct?

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.