Exams

What is the value of xy if x - y = 3 and x2+y2=15?

If sin(A/2) = x, then the value of x is

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

Ramu, Shyamu and Abdul came forward one after the others.

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.

To know ______ reality, the powers of the mind need to be turned back upon itself. With concentration, the mind can ______ its innermost secrets, just as the darkest places reveal their secrets to the penetrating rays of light. We can then ______ soul truths, whether life exists for five minutes or for ______, and whether there is a God. To go beyond the mind and our present reality, we need to use the mind itself as a tool. Patanjali, in his Hatha Yoga Pradipika, stated, “Yoga is the ______ of the modifications of the mind.”

To know ______ reality,

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

I could not find the book.

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

I said to my friends, "let us go to a picnic for a change".

Which of the following classes of animals has/have three-chambered heart?