Quantitative Aptitude - Arithmetic Ability Questions

The distance between the tops of two building 38 metres and 58 metres high is 52 metres. What will be the distance (in metres) between two buildings?

Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8

Find the area (in sq.cm) of a semi-circle of radius 7 cm

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

In an army selection process, the ratio of selected to unselected was 3:1. If 60 less had applied and 30 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?