Questions

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

What did Edward Jenner pioneer?

Select the related word/letters/numbers from the given alternatives: 6 : 42 :: 12 : ?

Winner of 2015 "United Nations Champions of the Earth" award in the category Policy Leadership is ___.

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'.
I finished my household chores (1)/ before he reached (2)/ to my place after so long. (3)/ No Error (4)

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'.

The professor recently describes 1500 tests (1)/ in which blind people passed with greater (2)/ ease than those who could see! (3)/ No error (4)

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

If you can't beat 'em, join 'em

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".

The bigger a group the less are the chances of an individual (get) the requisite attention when necessary.