Exams

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

The external and the internal radii of a hollow right circular cylinder of height 15 cm are 6.75 cm and 5.25 cm respectively. If it is melted to form a solid cylinder of height half of the orignal cylinder, then the radius of the solid cylinder is

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

BKP, EMQ, IPS, NTV, ?

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:
I. All books are erasers.
II. All sharpeners are books.

Conclusions:
I. All sharpeners are erasers.
II. Some books are sharpeners.

If the line DE is drawn parallel to the base BC of a triangle ABC by intersecting the other two sides, then which of the following is the CORRECT equation for this case.

The SI unit of momentum is _____________.

Contraction of heart is also known as