Questions

Economic reasoning is based on the premise that

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.

and non commercial sources. The most _____ sources of energy today are coal and natural gas

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who is determined to take full revenge for wrongs done to him

Which city is located on the banks of the river Alaknanda?

Insulators have resistivity of the order of 

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

Cannis Familiaris is the scientific name of

__________ approves constitutional amendments.