Quantitative Aptitude - Arithmetic Ability Questions

A person borrows some money for 8 years at a rate of simple interest. If the ratio of principal and total interest is 5 : 8, then what is the rate ( inpercentage) of interest?

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =

What is the value of (tan45° + 1/√2) ?

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

What is the value of sec 4π/3?

A balloon leaves from a point P rises at a uniform speed. After 6 minutes, an observer situated at a distance of 450√3 metres from point P observes that angle of elevation of the balloon is 60 deg. Assume that point of observation and point P are on the same level. What is the speed (in m/s) of the balloon?

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?