Quantitative Aptitude - Arithmetic Ability Questions

If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°⩽θ≤90°)

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?

What is the slope of the line perpendicular to the line passing through the points (-2, 3) and (2, 0)?

If x + 1x = -2, then the value of x631 + 1x632?

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

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?