Quantitative Aptitude - Arithmetic Ability Questions

In the two triangles ABC and DEF the sides AB = DE and BC = EF. Which of the following option is correct which results in the ∆ABC ≅∆DEF?

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

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

ΔABC is right angled at B. BD is the altitude. AD is 8 cm and DC is 50 cm. What is the length of BD?

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?

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark in figure B.

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

5.16 x 3.2 =