Quantitative Aptitude - Arithmetic Ability Questions

Expand and simplify (x + 5)2 + (x - 3)2

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

What is the value of (cot60 + 1/√3) ?

What is the difference between the maturity values, if Rs. 12500 is invested for 2 years at 20% per annum simple interest and compound interest?

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent?

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

One of four words is a class to which the other three belong. Identify the class.