हिंदी

An employee works in a company on a contract of 30 days on the condition that he will receive Rs. 120 for each day he works and he will be fined Rs. 10 for each day he is absent

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प्रश्न

An employee works in a company on a contract of 30 days on the condition that he will receive Rs. 120 for each day he works and he will be fined Rs. 10 for each day he is absent. If he receives Rs. 2300 in all, for how many days did he remain absent?

योग
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उत्तर

Given, total number of days in contract = 30

Money received per day for working = ₹ 120

Money deducted per day for being absent = ₹ 10

And amount received by employee as salary = ₹ 2300

Let the employee remained absent for x days.

Then, employee worked for (30 – x) days.

According to the question,

120(30 – x) – 10x = 2300

⇒ 3600 – 120x – 10x = 2300

⇒ – 130x = – 3600 + 2300

⇒ – 130x = – 1300

⇒ x = `-1300 xx ((-1)/130)`

∴ x = 10

Therefore, employee remained absent for 10 days.

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अध्याय 4: Linear Equation In One Variable - Exercise [पृष्ठ १२०]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 8
अध्याय 4 Linear Equation In One Variable
Exercise | Q 105. | पृष्ठ १२०

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