Question
Below, a word is given followed by three sentences which
consist of that word. Identify the sentence/s which best expresses the meaning of the word. Choose option 5 (None of these) if the word is not suitable in any of these sentences. Futile A. Despite their best efforts, all attempts to solve the problem proved futile .B. She enjoyed the futile effort of organizing the event for weeks.C. Their futile arguments never led to any meaningful conclusions.Solution
The word "futile" refers to something that is pointless or ineffective. In sentences A and C, the word is correctly used to describe efforts and arguments that were unsuccessful. However, sentence B is incorrect because it suggests that the person enjoyed a futile effort, which contradicts the usual negative meaning of the word.
The most reactive among the halogens is-
The element used in the manufacture of safety matches is β
The nucleus of an atom consists of-
The gas used for filling weather balloons is-
The fuel that is used in modern submarines is -
Which one amongst the following is not a Green House gas?
Petroleum is a mixture of-
Which of the following is a physical change?
Urea is a β
___________ is the process in which acids and bases react to form salts and water.