Exams

Working together A and B can do a job in 40 days, B and C in 36 days and all three together in 24 days. In how many days can B alone do the job?

A can paint a house in 55 days and B can do it in 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?

Bending of light rays in denser medium is termed as:

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

Tongue-­in-­cheek

The credit balance in the bank account is

In what ratio must a mixture of 20% milk strength be mixed with that of 60% milk strength so as to get a new mixture of 25% milk strength ?

Select the word with the correct spelling.

The volume of a spherical balloon is increased by 700%. What is the percentage increase in its surface area?