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Question

If [3125][xy]=[43], find x and y

A
x=3, y=1
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B
x=2, y=5
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C
x=1, y=1
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D
x=1, y=1
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Solution

The correct option is C x=1, y=1
[3125][xy]=[43]
[3xy2x+5y]=[43]
3xy=4,2x+5y=3
On solving we get x=1,y=1

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