Questions

If (a+1a)2=3,then the value of a6-1a6 will be

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.

If there is a subject of really ______________ interest and utility, it is the art of writing and speaking one's own language ___________. It is the basis of culture, as we all know; but it is infinitely more _________ that, it is the basis of business. ___________ salesman can sell anything unless he can explain the merits of his goods in effective language, or can write ___________ advertisement equally effective, or present his ideas, and the facts, in a letter.

is infinitely more _________ that, it is the basis

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.

She was chatting ______ the cars.

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The depletion of organic nutrients in the soil has reached alarming proportions, thanks to indiscriminate use of chemical fertiliser in Green Revolution areas.
Q: As against an acceptable level of ‘soil organic carbon’ of well over 5 percent, soils in Punjab are said to have levels far below 1 percent.
R: Besides, 5.3 billion tonnes of soil is eroded annually, at a rate of 16.4 tonnes/hectare.
S: The nutrient imbalance has been skewed by the overuse of urea (N) vis-a-vis phosphatic (P in chemical parlance) and potassic (K) fertiliser.

The embryo gets nutrition from the mother's blood with the help of a special tissue called

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

They are giving something back to the planet that (being defiled) every day in a thousand ways.

Friction is caused by the ______________ on the two surfaces in contact.

The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called