Quantitative Aptitude - Arithmetic Ability Questions

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

The angle of elevation of a ladder leaning against a wall is 60 deg and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

Triangle DEF is right angled at E. If cot D = 5/12, then what is the value of sin F?

A Lawn roller makes 20 revolutions in one hour. The radius it runs through 25 minutes is

If 2+x+2-x2+x-2-x=2,then the value of X is

The value of -3+3+87+43 is

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 2.5m from the banks, then the width of the river is (take √3 = 1.732)