Question

24. Toshiba bought 100 hens for Rs 8000. and sold 20 of these at a gain of 5%. At what
percent she must sell the remaining hens so as to gain 20% on the whole?​

Answer 1

Answer:

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Step-by-step explanation:

Cost of 20 hens = 80×20 = 1600

Sold at 5% gain , selling price = 1•05× 1600

S P = 105×16 =1680

S P rest 80 hens = x× 6400

To take gain of 20% on the whole the S P will be

8000×1•2 = 9600

1680 + 6400x = 9600

6400x = 7920

x =7920/6400 = 792/640 = 1•2375

x% = (1•2375 - 1)×100 = 23•75%