Questions

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

Which of the following is the treatment of water pollution?

Which of the following is a Saprotroph?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
I will scold him when _____.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- The magnitude of the interdependence depends on the technique of production causing the shifts in the food supply curve.
Q- Interdependence of food and labour market is important for the development process.
R- Similarly, an upward shift in the food supply curve shifts up the food demand curve.
S- An upward shift in the food supply curve would simultaneously result in an upward shift in the labour demand curve.

Who invented Dynamite?

Who invented the bifocal glasses?

Who was elected the Prime Minister of Nepal recently?