Question

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

Answer 1

Toshiba require 23.75% gain on the remaining hens (80hens).

Step-by-step explanation:

Solution:

Given,

• Total hens = 100
• Remaining hens = 100-20 = 80 hens
• Toshiba bought 100 hens for = Rs 8000

1 hen cost is = 8000/100 = Rs 80

20hens cost = 20 × 80 = Rs 1600

Given,

Gain = 5%

SP = 105/100 × 1600

= Rs 1680

CP for 80 hens = 80 × 80 = Rs 6400

SP of 80 hens = Rs (1600 + 6400-80) = Rs 7920

Gain on 80 hens = SP of 80 hens – CP of 80 hens

= 7920 – 6400

= Rs 1520

Gain % = (gain/cost price) × 100

Gain% on 80 hens = (1520/6400) × 100

= 23.75%

∴ Toshiba require 23.75% gain on the remaining hens (80hens).

Answer 2

Answer:

The difference between two selling prices of a shirt at profits of 4% and 5% is Rs 6. Find

(i) C.P. of the shirt

(ii) The two selling prices of the shirt

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

Step-by-step explanation:

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