Questions

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 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

The point equidistant from the vertices of a triangle is called its

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

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
Z < L < W = N = K < A
Conclusion:
I. A > L
II. Z = A

Steam Engine was invented by?

Soda water was invented by