Questions

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

If y=2-x1+x, then what is the value of 1y+1 + 2y+1y2-1 ?

The first history book was written by

Who became the first Indian woman to win the Korea open series in Badminton?

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.

If there is a subject of really ______________ interest and utility, it is the art of writing and speaking one's own language ___________. It is the basis of culture, as we all know; but it is infinitely more _________ that, it is the basis of business. ___________ salesman can sell anything unless he can explain the merits of his goods in effective language, or can write ___________ advertisement equally effective, or present his ideas, and the facts, in a letter.

subject of really ______________ interest and utility

In the following question, 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.

Repetition bred a sense of _____________ with the characters.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

You see a curtain of fog (hanged) low, suspended over the fresh green grass.

The hormone that helps plants respond to drought is