Quantitative Aptitude - Arithmetic Ability Questions

ABCD is a quadrilateral inscribed in a circle (radius = ). The bisectors of the angles DAB and BCD intersect the circle at X and Y, respectively. What is the length of the straight line XY?

Find the radius of the circle if the area of its sector is 30.8 sq cm whose corresponding central angle is 72°?

If xy = -30 and x2 + y2 = 61, then find the value of (x + y).

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?

In a trapezium ABCD, AB and DC are parallel sides and ∠ ADC = 90°. If AB = 15 cm, CD = 40 cm and diagonal AC = 41 cm. Then the area of the trapezium ABCD is

Select the odd word from the given alternatives.

If the cost price of an article is Rs x . It is marked up by 100%. It is sold at Rs 1,200 after giving 20% discount. What is value of x?

Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of tanks to planes became 2 : 1. What is the number of tanks after the war.