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Mrs. Kulkarni invests Rs. 1,31,040 in buying Rs. 100 shares at a discount of 9%. She sells shares worth Rs. 72,000 at a premium of 10% and the rest at a discount of 5% - Mathematics

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Question

Mrs. Kulkarni invests Rs. 1,31,040 in buying Rs. 100 shares at a discount of 9%. She sells shares worth Rs. 72,000 at a premium of 10% and the rest at a discount of 5%. Find her total gain or loss on the whole.  

Sum

Solution

Investment = Rs. 1,31,040

N.V of 1 share = Rs. 100

Discount = 9% of Rs. 100 = Rs. 9

∴ M.V of 1 share = Rs. 100 – Rs. 9 = Rs. 91

∴ Number of shares purchased = `"Investment"/"M.V of 1 share" = 131040/91` = 1440

∴ Number of shares worth Rs. 72,000 = `72000/100` = 720

∴ Mrs. Kulkarni sells 720 shares at a premium of 10%

M.V of 1 share = Rs. 100 + Rs. 10 = Rs. 110 

∴ Selling price of 720 shares = 720 × Rs. 110 = Rs. 79,200

Number of remaining shares = 1440 – 720 = 720

She sells 720 shares at a discount of 5%

M.V of 1 share = Rs. 100 – Rs. 5 = Rs. 95

∴ Selling price of 720 shares = 720 × Rs. 95 = Rs. 68,400

∴ Total selling price = Rs. (79,200 + 68,400) = Rs. 1,47,600

∴ Total gain = Total selling price – Total investment

= Rs. (1,47,600 – 1,31,040)

= Rs. 16,560

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Chapter 3: Shares and Dividend - Exercise 3 (C) [Page 37]

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Selina Mathematics [English] Class 10 ICSE
Chapter 3 Shares and Dividend
Exercise 3 (C) | Q 2 | Page 37

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