Quantitative Aptitude - Arithmetic Ability Questions

√(cosec2 -­ 1)/cosecA is equal to?

A boy in a train notices that he can count 31 telephone posts in 60 seconds. the distance between two posts is 60 meters. Calculate the speed of the train?

X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

If the side of a square is increased by 20%, then what will be the percentage increase in its perimeter?

Find the value of 'y' if y84 = 225

If a+1b=1 and b+1c=1 , then the value of c+1a is

If 4x + 1x = 5, (x≠0), then the value of 5x4x2+10x+1 is