Question

a trader buys tea powder at ₹400 per kg and sell it at ₹500 per kg find his profit​

Answer 1

total cost

:10×400= 4000

price for 20%loss

: 400×80%=320

gain with it

: 320×5= 1600

price for 10%profit

:400×110%=440

gain with it

:440×5=2200

total gain

:2200+ 1600=3800

total loss

:4000 - 3800=200

loss in %

:200÷4000×100 = 5%

Answer 2

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total cost

:10×400= 4000

price for 20%loss

: 400×80%=320

gain with it

: 320×5= 1600

price for 10%profit

:400×110%=440

gain with it

:440×5=2200

total gain

:2200+ 1600=3800

total loss

:4000 - 3800=200

loss in %

:200÷4000×100

= 5%

Therefore your answer is 5%

HOPE SO IT WILL HELP......