Quantitative Aptitude - Arithmetic Ability Questions

Which value among 53, 64,126,27612 is the largest?

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are

The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?

In the following question, select the odd word from the given alternatives.

What smallest number should be added to the sum of squares of 15 and 14, so that the resulting number is a perfect square?

The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

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