Quantitative Aptitude - Arithmetic Ability Questions

When [x + (1/x)] = 5, then what is the value of [x – (1/x)]?

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

What is the highest common factor of 360 and 450?

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient = double the remainder. If the remainder is 80 then the value of x is

If a+1a2 = 3, then the value of a18+ a12+a6 + 1 is

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is:

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

Among three numbers , second is twice the first and also thrice the third . If the average of the three numbers is 33 , then the largest number is