Quantitative Aptitude - Arithmetic Ability Questions

When a number is increased by 21, it becomes 114% of itself. What is the number?

If 170% of a number added to 66, then the result becomes equal to twice of the number. What is the number?

Choose the odd word/letters/number/number pair from the given alternatives.

If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k≠0 then k =

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?

The distance between two places can be covered in 3.5hrs at a speed of 62 kmph. If the speed is increased by 8 kmph, how much time would be saved?

If {12(a-b)}2+ab=p(a+b)2, then the value of p is 

The least number to be added to 13851 to get a number which is divisible by 87 is