Questions

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

On 30 January 2018, who among the following called for simultaneous elections to Lok Sabha and state assemblies?

Who is number 1 in the Forbes 2016 ranking of World's billionaires?

The political system in Afghanistan is known as

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Carry out a task clumsily or incompetently

Bacteria, blue-green algae or cyanobacteria and mycoplasma are examples of organisms of which kingdom?

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.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

below would be __________ pressure

What is the name of the book in Harry Potter series written by Jack Thorne to be published in mid - 2016?