Model test paper

A student secures 90%, 60% and 54% marks in three test papers with maximum marks 100, 150 and 200 respectively. Find his aggregate percentage.

In a test paper there are 10 questions . Number of ways in which 6 questions to be answered is

11th class English model paper solution

Rajasthan board physics model paper 2022

Rajasthan board physics model paper 2022

Can filter paper dipped in silver nitrate solution instead of lead acetate paper be used for testing a sulphide?

In which year James D. Watson and Francis Crick published their first paper on the double-helix model of DNA?

The mileage (km per litre) of 50 cars of the same model was tested by a manufacture and details are tabulated as given below Find the mean mileage. The manufacture claimed that the mileage of the model was 16 kmL. Do you agree with this claim?

A photocopy machine is initially loaded with 5,000 sheets of paper. The machine starts a large job and copies at a constant rate. After 20 minutes, it has used 30% of the paper. Which of the following equations models the number of sheets of paper, p, remaining in the machine m minutes after the machine started printing?

NH_(4)Cl(s) is heated in test tube.Vapours are brought in contract with red litmus paper, which changes to blue and then to red.It is because of :