Questions

Which planet is known as red planet?

Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?

If a body takes 't' seconds to go once round the circular path of radius 'r', the velocity 'v' is given by

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

deserving reward or praise

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.

She was unhappy even after she married into an accommodative and caring family.

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

He learnt (A) / the alphabets (B) / at the age of four. (C) / No Error (D)

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".

All (was surprising) to find that he was not with them.

If demand curve for roller skates is D = 23000 - 19P and supply curve is S = 18000 + 6P, find the equilibrium Price?