Quantitative Aptitude - Arithmetic Ability Questions

Deepak marks the price of his table 60% above the cost price. He gives some discount on it and earns profit of 15.2%. What is the discount percentage?

What is the value of sin 300°?

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

If 13x2 = 172 - 92, find the value of x?

Mummy can bake 75 cakes in 15 hours, Mummy and Sister together can bake 120 cakes in 20 hours. How many cakes Sister can bake in 30 hours?

In ΔABC , DE || AC. Where D and E are two points lying on AB and BC respectively. If AB = 5 cm and AD = 3 cm, then BE : EC is

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is