Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 513-144 - 81 - 64 ?

The flight fare between two cities is increased in the ratio 11:13. What is the increase (in Rs) in the fare, if the original fare was Rs 12100?

Determine the value of z in the equation: z = 20+20+20+20+...∞

If  P2+1P2 = 47, then the value of P + 1P is

If one root of the equation Ax2 +Bx + C = 0 is two and a half times the others, then which of the following is TRUE?

A spaceship travels at 1,260 km/h. How many metres does it travel in 1/10 th of a second?

If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr) for the total journey?

The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4:1. The number of passengers travelled by air conditioned sleeper and ordinary sleeper classes were in the ratio 3:25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?