Questions

The uppermost layer over the earth's surface is called the ______.

Many satellites are placed in orbit in which layer?

The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

express a proposition, theory, etc. in clear or definite terms.

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

1. I can't stand here and promise that your future path is going to be wonderful.
P. Whatever one feels like doing today is set up as moral.
Q. People don't even pretend to care about what is right.
R. Instead, it might be very difficult, because our time is different than some other eras in human history.
S. If you look around, you can see that, little by little, it is a path leading to our destruction.
6. I am afraid that this legacy of freedom is facing an uncertain future.

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

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".

Mankind does not know this