You have a certain number of chocolates and you don't know the number of chocolates. If you receive the same number of chocolates from your friend, which of the following can represent the total number of chocolates you have?
A
x2
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B
x+xy (Both x and y are different variables)
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C
x+y (Both x and y are different variables)
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D
2x
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Solution
The correct option is D2x You can take any variable to represent the number of chocolates you have. Consider 'x' to be the number of chocolates.
Now, if you receive the same number of chocolates from your friend, you will now have twice the number of chocolates you had initially.
Hence, the total number of chocolates you have now will be '2x'.