Exams

The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is

Who invented the mouse of a computer?

The pie chart shows the share in profits of the year 2017 of seven partners in a business. Study the diagram and answer the following questions.

What is the total Profit (in Rs Lakhs) of the business of the year 2017?

Molybdenite is an ore/mineral of

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

They told us that they had waited at the station for a long time.

Select the word with the correct spelling.

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?