Quantitative Aptitude - Arithmetic Ability Questions

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

The order of rotational symmetry of a trapezium is

ΔABC is similar to ΔDEF. Length of AB is 18 cm and length of the corresponding side DE is 10 cm. What is the ratio of Perimeter of ΔABC : Perimeter of ΔDEF?

In a triangle the length of the side opposite the angle which measures 60° is 15 cm, what is the length of the side opposite to the angle which measures 90°? 

P + Q = 2(P-Q). If Q = 10, what is the value of P?

For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of a+b+c2.

A triangle is circumscribed on the circle of centre O in such a way that sides AB = 12 cm, BQ = 7 cm and CQ = 5 cm. Calculate the lengtth (in cm) of side AC.