Questions

To cover a certain distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?

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 _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy.

In the following questions, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Children need to be taught the importance of hygiene early on so that it becomes a _____. Children are the most _____ to hygiene-related disorders like skin issues, rashes, infections, wounds, etc. Teach them early on about what to _____. Teach them that taking a few _____ measures to prevent infections and diseases is _____.

Teach them that taking a few _____ measures

Economic reasoning is based on the premise that

What is the pH value of human blood?

Which of the following is NOT a radioactive element?

CuO + H2 ---> Cu + H2O. This equation is an example of

How many groups and periods are present in the Modern Periodic Table?