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

Some articles are bought at 2 for ₹ 15 and sold at 3 for ₹ 25. Find the gain percentage

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प्रश्न

Some articles are bought at 2 for ₹ 15 and sold at 3 for ₹ 25. Find the gain percentage

बेरीज
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उत्तर

Let cost price of one article be C.P

Given that 2 are bought for ₹ 15

∴ 2 × C.P = 15

∴ C.P = `15/2`

Let selling price of one article be S.P

Given that 3 are sold for ₹ 25

∴ 3 × S.P = 25

⇒ S.P = `25/3`

 ∴ Gain = S.P – C.P

= `25/3 - 15/2`

= `(50 - 45)/6`

= `5/6`

Gain % = `"Gain"/"C.P" xx 100`

= `(5/6)/(15/2) xx 100`

= `5/6 xx 2/15 xx 100`

= `100/9`

= `11 1/9` 

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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 5 | पृष्ठ १३१

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