Questions

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.

People may see, and hear, and feel all their lives without ____________ learning the nature of things they see. But reason is the mind's eye, and enables us to see why things are, and when and how events may be made to happen ___________ not to happen. The logician endeavours to ____________ exactly what this reason is which makes the power of men. We all, as I have said, must reason well or ill, but logic is the science of reasoning and enables us to distinguish ______________ the good reasoning which leads to truth, and the bad reasoning which every day betrays people into error _________ misfortune.

people into error _________ misfortune 

What are * and? when using them for wildcards in windows?

International day of sign language is observed on

Alexander the great invaded India in?

pH of the human blood is ______.

Which of the metals has the maximum thermal conductivity?

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Evanescent

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

An upright bar, post, or frame forming a support or barrier