Questions

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

Rajesh walks 2 km to south, then turns north­east, and walks 3 km. Then he turns south and walks 2 kms. Then he turns west and walks 4 kms. Finally, he turns north­west and walks 5 kms. In which direction is he from his starting point?

A study published in PLOS Medicine found that obesity was the cause of 1 in 10 deaths in the United States. Also, obesity was the third-leading cause of death in men and women, after high blood pressure and smoking. Hence, many doctors believe that it’s high time obesity be placed in the category of serious diseases as it not only decreases life expectancy but also impairs the normal functioning of the body.
Which of the following statements, if true, undermines the given argument?

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.

Let us examine the facts in the case more ____________. First of all, language is no more ____________ a medium; it is like air to the creatures of the land or water to fishes. If it is perfectly clear and pure, we do not notice it any more than we notice pure air when the sun is shining ________ a clear sky, or the taste of pure cool water when we drink a glass __________ a hot day. Unless the sun is shining, there is no brightness; unless the water is cool, there is __________ refreshment.

sun is shining ________ a clear sky,

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select No Error.

If life existed on Mars, it is most likely to be in (1)/ the form of bacteria buried deep in (2)/ the planet’s permafrost or lichens. (3)/ No error (4)

The World Health Organization (WHO) has collaborated with which company to distribute Covid vaccines under Covax alliance?

Who was the UPA candidate for the Vice President's post in the 2017 elections?

Article 36 to Article 51 of Indian Constitutional mainly deals with Directive Principles of State Policy, given in ______ of Indian Constitution.