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Question

The sum of two numbers is 40 and difference between them is 14. Find the numbers.

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Solution

Let the two numbers be x and y such that x>y.
Therefore,
x+y=40.....(1)
xy=14.....(2)
Adding equation (1) and (2), we have
(x+y)+(xy)=40+14
2x=54
x=542=27
Substituting the value of x in equation (1), we have
27+y=40
y=4027=13
Hence the required numbers are 27 and 13.

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