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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ८

If selling an article for ₹ 820 causes 10% loss on the selling price, then find its cost price.

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प्रश्न

If selling an article for ₹ 820 causes 10% loss on the selling price, then find its cost price.

योग
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उत्तर

Given that selling price (S.P) = ₹ 820

Loss % = 10%

As per formula S.P = `C.P xx ((100 - "loss"%))/100`

∴ Substituting in formula, we get

820 = `C.P xx ((100 - 10)/100)`

820 = `C.P xx ((90)/100)`

∴ C.P = `(820 xx 100)/90`

= 911.11

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

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
अध्याय 4 Life Mathematics
Exercise 4.2 | Q 2 | पृष्ठ १३१

संबंधित प्रश्न

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The single discount in % which is equivalent to two successive discounts of 20% and 25% is


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Match the entries in Column I with the appropriate entries in Column II:

Column I Column II
(i) 3:5 (A) ₹ 54
(ii) 2.5 (B) ₹ 47
(iii) 100% (C) ₹ 53
(iv) `2/3` (D) ₹ 160
(v) `6 1/4%` (E) 60%
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(viii) SP when CP = ₹ 50 and profit = ₹ 4 (H) 250%
(ix) Profit% when CP = ₹ 40 and SP = ₹ 50 (I) ₹ 159
(x) Profit% when CP = ₹ 50 and SP = ₹ 60 (J) `66 2/3%`
(xi) Interest when principal = ₹ 800,
Rate of interest = 10% per annum
nd period = 2 years
(K) 20%
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and period = 1 year
(L) 0.125
  (M) 3 : 2
  (N) ₹ 164
  (O) 3 : 3

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