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A bookseller sells all his books at a profit of 10%. If he buys a book fromthe distributor at Rs 200, how much does he sell it for?

Answer:

Given profit % = 10% CP = Rs. 200

Since SP = {(100 + profit %) /100} x CP

= {(100 + 10)/100} x 200

= {110/100} x 200 = Rs. 220

The bookseller sells the book for Rs. 220

"hello students welcome to Lido
homework
so today's question is a bookseller
sells
all his books at a profit of 10 percent
if he buys a book from the distributor
at rupees 200
how much does he sell it for so let us
first see what is given
given our
uh profit percent that is 10
percent so we write it as profit percent
which is 10 percent
and the purse book seller buys from the
distributor
at rupees 200 that means
cost price of the book is
rupees 200
now what do we need to find out
to find
how much does he sell it for so we need
to find the
selling price okay so let us solve it
so what is the formula for profit
percentage
profit percent is equal to
profit by cost price
in 200 now
profit percent is given that is 10
percent so we write it as
10 percent is equal to profit is not
given so we just write it as p
cost price is 200 so we write it as 200
in 200 so now we can further
simplify it and you get it as
10 is equal to p by
2. so let us draw a line over here
in between to continue solving
okay so therefore
p is equal to we take 2 on the other
side and you get 10
into 2 is equal to 20 rupees so
profit you got got it as 20 rupees so
now you can easily calculate
selling price therefore
selling price is equal to
profit plus cost price
right whenever selling price is greater
than cost price
so we are not aware of it whether it's
crater or
not but we know the profit amounts so we
are sure that there is a profit
so just put 20 rupees here plus cost
price which is 200
so that gives you answer
selling price of the book is 220 rupees
okay so that's it for now thank you so
much and for further doubts you can
put a comment in the comment section and
uh for further updates please subscribe
to our channel thank you so much"

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