Questions

A current I flows through a resistor. A source maintains a potential difference of V across the resistor. The energy supplied by the source in time t is 

If X+Y=3,XY=2, find the value of X3-Y3

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One skilled in telling stories

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.

Democracy should _____ dignity of the individual. It should also aim at the _____ good of the greatest _____. The opposition party should _____ the wrong plans,
policies and decisions of the government in power. The government should cater to the _____ needs of the people to make its position solid.

It should also aim at the _____ good

In the following questions, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Education is for life, not merely for a livelihood. As long as we are unmindful of this _____, the _____ of our educational curriculum as well as that of our _____ and students is likely to remain _____. It is not enough for a society to have experts. It needs human beings who can think, feel and act generously, the kind of people who cannot be replaced by computers and _____.

is likely to remain _____. It is not enough for a society to have experts.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

As for ourselves, we

X-combing our hair
Y-a good wash and
Z-were contented with

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To not have a clue