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X = 25 is the solution of one third of a number is less than 10 the original number. - Mathematics

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प्रश्न

x = 25 is the solution of one third of a number is less than 10 the original number.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य

उत्तर

False

Explanation;

Hint:

One third of number is 10 less than original number.

Let number be ‘x’. Therefore let us frame the equation

`x/3` = x – 10

∴ x = 3x – 30

3x – x = 30

2x = 30

x = `30/2`

x = 15 is the solution

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अध्याय 3: Algebra - Exercise 3.7 [पृष्ठ १०६]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
अध्याय 3 Algebra
Exercise 3.7 | Q 2. (iii) | पृष्ठ १०६
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