Questions

In the following gases, which is not a colorless or odourless gas?

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.

had to be _________ opened to reduce

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'.

We wish to make globalisation a means to expand human well being and freedom, (1)/ and to bring democracy and developmental (2)/ to local communities where people live. (3)/ No error (4).

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

Bunty says, “I may not come for the practice today.”

The ____ of a substance is defined as the mass per unit volume.

The centre of the reflecting surface of a spherical mirror is a point called the ___.

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

The 7.6% growth rate registered by Indian economy during the year 2015-16 is based on