General Knowledge 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. 

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Back to square one

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The "Global Nutrition Report 2016" once again ____________ India's slow overall progress ____________ addressing chronic malnutrition, manifest in stunting (low weight for age), wasting (low weight for height), micronutrient __________ and over­weight. Our track _________ in reducing the proportion of undernourished children over the past decade has been modest at best, and _____________ what other countries with comparable socio­economic indicators have achieved.

India's slow overall progress ____________ addressing chronic malnutrition

In the following question, out of the four alternatives, choose the alternative which best expresses the meaning of the idiom/Phrase.

Have a chip on one's shoulder

SMOG is a combination of

Unit of impedance is ___________.

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Surreptitious

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Please guide me.