Question

1.a seller buys 10 phone chargers for rs 800 and sells them at the rate of rs 100 per charger his gain percent is:

Answer 1

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Answer 2

Given :

Cost price of 10 chargers = Rs 800

Finding cost price of per charger -

10 chargers = Rs 800

1 charger = 800 ÷ 10 = 80

So , cost price of per charger = Rs 80 .

Selling price of per charger = Rs 100 (Given)

Here , selling price is more . So , Profit.

Finding Profit -

Profit = Selling Price - Cost price

Profit = 100 - 80

Profit = 20

Finding Profit Percentage-

Profit Percentage = Profit / CP x 100

= 20/80 x 100

= 2000/80

= 25 % .

Hence :

$\bold{Profit \: Percentage \: = \: 25 \%}$