Questions

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

Precipitation in the form of a mixture of rain and snow is called

In the 42nd Constitutional Amendment 1976, which word was added to the Preamble?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
Vaibhav said to me, "Has your father returned from work?"

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement isneeded, select "no improvement".

As he tried harder, his steps slowed, his senses (was activated).

In which Indian state is the Nanda Devi peak located?

Nepal does not share its border with which Indian state?