Quantitative Aptitude - Arithmetic Ability Questions

Find the maximum area of a rectangle field which is surrounded by a rope of 400 m.

If X + Y = 19 and X - Y = 7, then XY = ?

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

If 70% of 5/7th of a number is 90, find the number.

5.16 x 3.2 =

A telegraph post is bent at a point above the ground. Its top just touches the ground at a distance of 8√3 m from its foot and makes an angle of 30° with the horizontal. The height (in metre) of the post is

Slope of the side DA of the rectangle ABCD is 1/3. What is the slope of the side AB?

Which of the following triangle is formed when the triangle has all the three medians of equal length?0