Quantitative Aptitude - Arithmetic Ability Questions

The total surface area of a cube is 337.5 cm². Find its side (in cm).

The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?

A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?

In triangle DEF measure of angle E is 90 deg. If cotD = 5/12 and DE = 1 cm, then what is the length (in cm) of side EF?

ΔUVW is right angled at V. If secU = 5/3, then what is the value of tanW ?

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.

Four pairs of words are given below out of which three are alike in some manner and one is different. Which is different from the rest?