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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ८

Find the unknowns x, y and z. Name of the item Marked Price Selling Price Discount LED TV y ₹ 11970 5% - Mathematics

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प्रश्न

Find the unknowns x, y and z.

Name of the item Marked Price Selling Price Discount
LED TV y ₹ 11970 5%
बेरीज
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उत्तर

LED TV selling price = 11970 discount = 5%, Marked price = y

∴ Selling price = `"Marked price" xx (((100 - "d"%))/100)`

∴ 11970 = `y xx ((100 - 5))/100`

∴ y = `(11970 xx 100)/95`

= 126 × 100

= ₹ 12,600

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पाठ 4: Life Mathematics - Exercise 4.2 [पृष्ठ १३१]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
पाठ 4 Life Mathematics
Exercise 4.2 | Q 7. (ii) | पृष्ठ १३१
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