Quantitative Aptitude - Arithmetic Ability Questions

If the value 5 = 2.236,then calculate the value of 405 - 1280-125

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

If 2x-12x = 5, then what is the value x2 + 116x2 - 2

(242699 + 167109) ÷ (9946 –9446) = ?

5 year hence, ratio of ages of A and B will be 7 : 5 and difference between their ages will be 4 years. What are present ages (in years) of A and B
respectively?

The least number that must be added to 8961 to make it exactly divisible by 84 is

A thief is stopped by a policeman from a distance of 150 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/hr and that of policeman as 9 km/hr, how far the thief would have run, before he is over- taken by the policeman?

If a -­ b = 3 and ab =28, then a3 - b3 is