Exams

What is the mean of the first five Triangular Numbers?

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

Dynamite was invented by?

Which one of the following is commonly used for pulp bleaching in the paper industry?

Find the least number which must be subtracted from 18265 to make it a perfect square

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?