Rajasthan board physics model paper 2022

Model test paper

In how many types ways can five different examination papers of maths, physics, chemistry, computer an physical education be arranged so that physics and chemistry papers never come together.

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NEET 2021 physics paper solution

Rekha has to cover a board in her class with a piece of red paper. The board is rectangular in shape. The length of the board is 7 units more than thrice its breadth. Answer the following. a. If the breadth is p, find the rule for finding the area of the piece of red paper that Rekha needs to cover the board with. b. Use the rule to find the required area of the paper, given that the breadth of the board is 40 cm.