Exams

Find the odd word/letters/number pair from the given alternatives

Which one of the following statements is correct?

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

If a + b = 1, then a4 + b4 - a3 - b3 - 2a2b2 + ab is equal to

Madrid is the Capital City of _____.

If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

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’.

For man to change radically, fundamentally, (1)/ there must be a mutation in a very (2)/ brain cells of his mind. (3)/ No error (4)

Select the word with the correct spelling.