Quantitative Aptitude - Arithmetic Ability Questions

How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?

The co-ordinates of the centroid of a triangle ABC are (-1 , 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3 , -1) and (3 , 5) respectively?

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?

The value of Sin 60 is

From the top of a platform 7 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 50√3 m away from the tower, how tall was the tower?

If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?

In the following question, select the odd word pair from the given alternatives.

Out of a group of three numbers, second is thrice of the first and also twice of the third. If the sum of the three numbers is 55 then find the largest number in the group.