Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

When [x + (1/x)] = 5, then what is the value of [x – (1/x)]?

What is the value of tan150°?

The difference between cost price and selling price is Rs 221. If profit percentage is 17%, then what is the selling price (in Rs)?

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

The reciprocal of the sum of the reciprocals of 3/8 and 8/11 is:

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

If ax + by = 1 and bx + ay = 2aba2+b2 then x2+y2a2+b2 is equal to