Quantitative Aptitude - Arithmetic Ability Questions

Which of the following is a reductible fraction?

The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is

The perimeters of a square and an equilateral triangle are equal. If the diagonal of the square is 9 cm, what is the area of the equilateral triangle?

In an army selection process, the ratio of selected to unselected candidates was 4:1. If 90 less had applied and 20 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

If a2+b2+c2=14 and a+b+c=6, then the value of ab+bc+ca is,

In the following question, select the odd word from the given alternatives.

If x + y = 13 and x2 + y2 = 89, then find xy is

A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?