Questions

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

What is the simplified value of tan (θ/2) + cot (θ/2)?

If x+1x2 = 3, then the value of x3+1x3 is:

In the following question, 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.

After the votes were counted, the family _______________ was for a Hawaiian vacation.

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

That which makes one highly knowledgeable

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.

Once again, a _____________ monsoon so vital to India's economic fortunes has left some states in shambles. From Assam to Karnataka, heavy rainfall in a ____________ has created paralysing floods that have taken a _______________, wiped out crops and destroyed hard-earned assets. When the waters ___________, a familiar cycle of assessment of damage by Central teams, preparation of loss estimates and expensive ____________ work such as repairs of river embankments, will follow.

expensive ____________ work such as repairs of river embankments, will follow.

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

Implanting standards, right values, the science of good and evil are an essential part of education. Many forces thwart this to work, but two of the most serious hindrances to it are examinations and specialization. The examination system is both an opiate and a poison. It is an opiate because it lulls Man into believing that all is well when most is ill. It is a poison because it paralyses or at least slows down the natural activities of the healthy mind. Man finds himself a creature of unknown capacities in an unknown world, wants to learn what the world is like, what he should be and do in it. To help him in answering these questions is the one and only purpose of education. However, tests of progress are useful and necessary. Examinations are harmless when the examinee is indifferent to their result, but as soon as they matter, they begin to distort his attitude to education and to conceal its purpose. For disinterestedness is the essence of all good education and liberal education is impossible without it.

The examination system is an opiate because

The common name of lead (II) sulphide is