Questions

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

The surface area of a sphere is 1386 cm2.  Find its diameter (in cm)

If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°⩽θ≤90°)

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".

Will you tell me who did accompany you to the airport?

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 scenario _________________ dramatically today. We have the ___________________ of powerful Internet monopolies that are much bigger ________________ the telcos. Not surprisingly, these companies now see the _______________ of monopoly. They would like to combine with telcos to create monopolies for their platforms, ensuring that they control the future of the Internet and freeze their competition ____________.

monopolies that are much bigger ________________ the telcos

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".

It has (being) too dangerous for too many people.

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.

Truth is indeed a controversial aspect of ______. But almost always it can be justified as a moral principle on the basis of ______. When we talk about speaking the truth in order not to hide what, if hidden, will only prove damaging to others, we are emphasizing the ability to ‘feel’ for others. Again, often we purposely keep ourselves from communicating the truth as, once ______, it may hurt someone‘s feelings and sentiments. But keeping a person in the dark or denying him or her knowledge which he or she ought to have amounts to ______ another soul of its right to know that with which it has a ______.

amounts to ______ another soul of its right

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'.

What are (1)/ you doing (2)/ by here? (3)/No Error (4)