Quantitative Aptitude - Arithmetic Ability Questions

If P/Q = R/S = T/U = 3/4 is (4P + 5R + 7T) : (3Q + 4S + 7U)?

Reflection of the point (2,-4) in the origin is

When a discount of 20% is given on a monthly train pass, the profit is 44%. If the discount is 29%, then the profit is _____.

A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?

A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?

If x + (1/x) = √13, then what is the value of x5 – (1/x5)?

In the given figure, ∠QRN = 40°, ∠PQR = 46° and MN is a tangent at R. What is the value (in deg) of x, y and z respectively?

A thief is stopped by a policeman from a distance of 250 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of police man as 7 km/h, how far the thief would have run, before he is over ­taken?