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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 DIgital clock ₹ 750 ₹ 615 z

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प्रश्न

Find the unknowns x, y and z.

Name of the item Marked Price Selling Price Discount
Digital clock ₹ 750 ₹ 615 z
बेरीज
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उत्तर

Digital clock marked price (M.P) = ₹ 750,

Selling price (S.P) = ₹ 615, Discount = z

S.P = `"M.P" xx (((100 - "d"%))/100)`

∴ 615 = `750 xx ((100 - z))/100`

∴ (100 − z) = `(615 xx 100)/750`

100 – z = 82

∴ z = 100 – 82, Discount = 18%

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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. (iii) | पृष्ठ १३१

संबंधित प्रश्‍न

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The cost price and selling price are given in the following table. Find out whether there was a profit or a loss and how much it was.

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(in Rs.)
Selling Price
(in Rs)
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4100 4090    

If the selling price of 10 rulers is the same as the cost price of 15 rulers, then find the profit percentage


Fill up the appropriate boxes in the following table.

SI. No C.P.
in ₹
M.P.
in ₹
S.P.
in ₹
Discount
in ₹
Profit
in ₹
Loss
in ₹
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(iii) 110 130   30    
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(v)   120   10 20 Nil

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