Quantitative Aptitude - Arithmetic Ability Questions

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

If ABCD is a trapezium, AC and BD are the diagonals intersecting each other at point O. Then AC : BD is

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

What will be the value of a3+b3, if a2+b2=32 and a+b=8 ?

Atul and Binay together complete a piece of work in 5 days. If Binay alone can complete the same work in 8 days, how many days Atul take to complete the same work alone?

The diagonal of a square is 10 cm. What is the length (in cm) of its side?

In the following question, select the odd letter/letters from the given alternatives.