Quantitative Aptitude - Arithmetic Ability Questions

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

The radius of a hemisphere is 7 cm, find its volume?

Find the volume (in cm3) of a cube of side 7.5 cm.

In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?

For what value of 'y', x2 + 112x + y2 is a perfect square?

ΔXYZ is right angled at Y. If m∠X = 30 deg, then find the value of (sinZ + √3).

Find out the odd word/letters/number/number pair from the given alternatives.

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.