Quantitative Aptitude - Arithmetic Ability Questions

A number is greater than five times its reciprocal by 19/2. Find the number.

The reciprocal of the sum of the reciprocals of 8/7 and 5/6 is:

Two pipes X and Y can fill an empty tank in 16 hours and 20 hours respectively. Pipe Z alone can empty the completely filled tank in 25 hours. Firstly both pipes X and Y are opened and after 6 hours pipe Z is also opened. What will be the total time (in hours) taken to completely fill the tank?

A spaceship travels at 810 km/hr. How many metres does it travel in 1/5th of a second?

A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.

A thief is stopped by a policeman from a distance of 450 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/h and that of policeman as 12 km/h, how far the thief would have run, before he is over­ taken?

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

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?