Mathematics
The sum of two natural numbers is 25 and their difference is 7. The numbers are
17 and 8
16 and 9
18 and 7
15 and 10
Linear Equations
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Answer
Let the two numbers be x and y.
Given, sum = 25.
x + y = 25 ……..(i)
Given, difference = 7.
x - y = 7 …….(ii)
Adding (i) and (ii) we get,
⇒ (x + y) + (x - y) = 25 + 7
⇒ 2x = 32
⇒ x = 16.
Substituting value of x in (i) we get,
⇒ 16 + y = 25
⇒ y = 9.
Hence, Option 2 is the correct option.
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