Questions

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

There is renewed sense(A)/of urgency in(B)/completing the project.(C)/No error(D)

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.

It is a proverbial ___________, that every one makes his own destiny; and __________ is usually interpreted, that every one, by his wise ______ unwise conduct, preparesgood or evil for himself: but we may also understand it, that whatever it be that he receives _________ the hand of Providence, he may so accommodate __________ toit, that he will find his lot good for him, however much may seem to others to be wanting.

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".

As humans we (crossing) our line in disturbing the balance of nature.

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.

The scene will now shift to obtaining __________________ instruments of ratification to bring the agreement into force _________________ 2020, the first year of its________________ implementation. The agreement will enter into force with the ratification of ______________ 55 countries, whose aggregate greenhouse gas (GHG) emissions ________________ at least 55 per cent of global emissions.

the first year of its________________ implementation.

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Melody

A company faces a -2.5 price elasticity of demand for its product. It is presently selling 10,000 units/month. If it wants to increase quantity sold by 6%, it must lower its price by

Buyer’s market denotes the place where ___________.