Exams

Which one of the following oxides of Nitrogen is also known as Laughing Gas?

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

Who took charge as the new Comptroller and Auditor General (CAG) of India in 2017?

Five people P, Q, R, S and T visit an office on certain days of a week. They work as a plumber, carpenter, cook, electrician and doctor in random order. A person pursues only one profession and visits the office only one day in the week. Consider the following information and answer questions based on it.

1. The plumber visits office every Monday.
2. P is an electrician who comes neither on Tuesday nor Thursday.
3. T is a carpenter and R is not plumber
4. The person who visits the office on Thursday is not a doctor.
5. S works on a Tuesday and T works on the following day.

Who is the plumber?

The gas evolved when sodium carbonate reacts with hydrochloric acid is

Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hrs, respectively, the third can drain the cistern, when filled, in 6 hrs. If all the three pipes are opened simultaneously when the cistern is half-full, how many hours will be needed to fill the cistern?

Yerwada Jail is in

If the number x4562 is divisible by 9, what is the face value of x?