Question

$\large{\underline{\underline{\textbf{Answer:}}}}$
In the above Question reason for the floating of magnet X above the magnet Y is that the like poles of magnet X and Y are facing each other causing repulsion which makes the magnet X to float above magnet Y.

For Example: we, know that North end of a magnet is attracted to the South end of another magnet and the North and North end of both magnet will repel each another.
This magnetic force is the basis for electric motors and attractive magnets for use in medicine, industry etc.

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$\large{\underline{\underline{\textbf{Question:}}}}$



The cost of 2 kg of apples and 1 kg grapes on a day was found to be ₹160.After a month,the cost of 4 kg of apples and 2 kg of grapes is ₹300 .Represent the situation Algebraically geometrically.​

Answer 1

Answer:

,

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let us assume the cost of the one kg of apple be 'x' and the cost of one kg of grape be 'y'. We have given that the cost of 2 kg of apples and 1 kg grapes on a day was bound to be Rs. 160. So, we get 2x+y=160 - - - (1).