Quantitative Aptitude - Arithmetic Ability Questions

Select the option that is different from the remaining three alternatives.

Two circles of equal radii intersect each other such that one circle will pass through the centre of the other circle. The distance between the centre of two circles is equal to 6 cm. Find the length (in cm) of common chord.

The volume of a hemisphere is 5749.33 cm³. Find its diameter (in cm).

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?

A cylindrical vessel of radius 7 cm is partially filled with water. By how much will the water level rise if a sphere of radius 6 cm is completely immersed in this water?

If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?

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

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.