Questions

________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.

India hosted the 8th BRICS Summit during its Chairmanship which took place on 15-16 October 2016 in -

Consider the following statement :“If you feel you are trapped in a black hole, don’t give up. There is a way out “Who among the following made the above statement?

_______ fiber is used in making bulletproof vests.

Which university has been ranked at the top in the Swachhta Ranking 2017 released by the Union Government?

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'.

Although he studied(A)/very hard, he(B)/could not pass the exam.(C)/No error(D)

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. 
Sarla changed the curtains.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

My uncle goes to office on bicycle or by foot.