Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Tan 45° - 1/√3 Sec 60°?

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

Rearrange the jumbled up letters to form a meaningful word and find the odd one out.

In triangle ABC, AD, BE and CF are the medians intersecting at point G and area of triangle ABC is 156 sq.cm. What is the area (in sq.cm) of triangle FGE?

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

How much does one need to add to 2/3 to obtain 3/2?

If x -­ y = ­7 and x + y = 13, then x2 - y2 is

If x=2+3,then the value of x2-x+1x2+x+1 is