The point equidistant from the sides of a triangle is called

A 8 cm long perpendicular is drawn from the centre of a circle to a 12 cm long chord. The diameter of the circle is

If a+b=5 and a­b=3, then the value of (a2+b2) is

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

A train 100 m long is running at a speed of 120 kms/hr. The time taken to pass a person standing near the line is

Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat?

The four sides of a quadrilateral are in the ratio of 2:3:4:5 and its perimeter is 280m. The length of the longest side is

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?