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प्रश्न
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.
उत्तर
Investment = Rs 1,31,040
N.V. of 1 share = Rs 100
Discount = 9% of Rs 100 = Rs 9
∴ M.V. of share = Rs100 − Rs 9 = Rs 91
∴ Number of shares purchased = `"Investment"/"M.V of 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 shars = 720 × 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
