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 cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:

'Neo-Malthusian Theory' is associated with which of the following?

Which of the following is a wind based Indian musical instrument?

What was Australia's rank in 2016 Human Development Index published by the United Nations Development Programme?

On which network was first SMS sent?

"Reserve Bank of India" is listed in the __________ list given in the Seventh Schedule in the Constitution of India.