Questions

Which one of the following statements is not correct?

Find the power of a convex lens if the image formed is at a distance of 10 cm from the lens when the object is placed on the other side of the lens at 40 cm from the optical centre?

A solution contains 33 g of common salt in 320 g of water. Calculate the concentration in terms of mass, by mass percentage of the solution.

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: This is despite the fact that there is a rampant migration of rural families to urban centres.
Q: Generally the gains of being a unit of the urban population are less than the disadvantages and risks that are inbuilt in the urban life.
R: Rural population still dominates the urban population as far as the number is considered.
S: India is a country of villages.

World's first thermal battery power plant is started in which state? 

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Nascent

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

an axe to grind

Select the word with the correct spelling.