Quantitative Aptitude - Arithmetic Ability Questions

What is the unit place digit in the expansion of  773?

If (x + y):(x - y) = 11:1, find value of (5x + 3y)/(x - 2y).

If a + b = 4 and ab = 3, then what is the value of a3 + b3?

A bank offers 5% compound interest per half year. A customer deposits Rs. 3200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:

If cotA = x, then the value of x is

The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?

The circumference of a circle is 88 cm, find its area?

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