Exams

The ratio of number of boys and girls in a school of 720 students is 7 : 5 . How many more girls should be admitted to make the ratio 1 : 1 ?

Rs. 490 is divided among A, B and C such that A's share is half that of B's and thrice that of C's. What is C's share?

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

The outer layer of the cerebrum (part of the brain), composed of folded grey matter, plays an important role in the consciousness.

If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Belief or opinion contrary to what is generally accepted

The Inter State Council was set up in 1990 on the recommendation of

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.

The author portrays mankind as

Of the 5 numbers whose average is 78, the first is 2/11 times the sum of other 4. The first number is