Questions

The percentage of carbon in CO2 is

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.

coal is the _____ source of commercial energy in India. 

Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. If there is no error, the answer is (E), ie ‘No error’. (Ignore the errors of punctuation, if any.)The consolation messages (A) / received on the(B)/ demise of Mrs. Malhotra (C) / speaks highly of her enormity. (D)

Which amendment of the Constitution of India increased the age of retirement of High Court judges from 60 to 62 years?

The Union Cabinet Chaired by Prime Minister Shri Narendra Modi has approved the establishment of National Institute of Mental Health Rehabilitation (NIMHR) at which state?

_______________ states that the ratio of the potential difference across a conductor to the current flowing through it, is a constant, provided that its physical conditions, such as temperature, remain constant.

The energy stored in a dry cell is in the form of

What is the range of frequencies of sound waves audible to human beings?