If all the digits of the number 986947638 are arranged in decreasing order, then sum of 5^th and 6^th digits (from the left end) of the number thus formed, is ____.

Select the most appropriate option that can substitute the underlined segment in the  given sentence.

I have been waiting from two hours.

Select the most appropriate option to substitute the underlined segment. If no substitution is required select 'No substitution'.

Select the option that can be used as a one-word substitute for the given group of words.

A person who knows everything

Alleged - He is alleged to have completed the whole project all by himself.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

In the following question, out of the given alternatives, choose the best one which expresses the meaning of the given word.

Quell