Questions

Removal of carbon particles from air involves the principle of

If the angle subtended by the radius of the circle and vertex B of the triangle ABC is 400. Then calculate the value of ∠BAC

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

He gives everyone _________ the class opportunities for practice.

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

The revolt of 1857 happened during the rein of Bahadur Shah Zafar.

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

To have something on the brain

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

a region of injured tissue or skin in which blood capillaries have been ruptured; a bruise.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: If all the requirements of the villages are satisfied there by itself, then the peasants will usefully utilize their spare time.
Q: Let us consider the village artisans.
R: This will also provide employment to all the educated people of the villages.
S: Having discussed the problems and requirements of rural life.

Point Q(-1,b) is the midpoint of segment EF. Co-ordinates of point E are (-4,a) and point F are (2,0). What is the value of a and b?