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प्रश्न
The sum of three consecutive numbers is 54. Taking the middle number as x, find:
(i) expression for the smallest number and the largest number.
(ii) the three numbers.
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उत्तर
Sum of three consecutive numbers = 54
Middle number = x
(i) The first number = x – 1
and third number = x + 1
(ii) ∴x + x-1+x+1 = 54
⇒ 3x = 54
⇒ x = `54/3 = 18`
∴ First number =18 - 1 = 17
and third number =18 + 1 = 19
∴ Three required numbers are 17, 18,19
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