Questions

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

To avoid the various foolish opinions to which mankind are prone, no superhuman brain is required. A few simple rules will keep you free, not from all errors, but from silly errors. If the matter is one that can be settled by observation, make the observation yourself. Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted. Thinking that you know when in fact you do not is a bad mistake, to which we are all prone. I believe myself that hedgehogs eat black beetles, because I have been told that they do; but if I were writing a book on the habits of hedgehogs, I should not commit myself until I had seen one enjoying this diet. Aristotle, however, was less cautious. Ancient and medieval writers knew all about unicorns and salamanders; not one of them thought it necessary to avoid dogmatic statements about them because he had never seen one of them.

According to the author, unicorns and salamanders

Mahatma Gandhi returned to India from ______________ in January 1915.

A] The author of the novel 'Bird Box' is Victor LaValle.
B] The author of the novel 'The Devil in Silver' is Josh Malerman.
C] The author of the novel 'Fellside' is Victor LaValle.

Which of the statements given above are not correct?

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

The demand curve facing a perfectly competitive firm is

The value of tan80° tan10° + sin270° + sin20∘

An object is placed on the principal axis of a cortex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed?