Question

A book seller bought 200 books.He sold them at rhe rate of 45rs each making a profit of 25rs on the whole. find the cost price of 20 books and profit percent​

Answer 1

Answer:

125%,400

Step-by-step explanation:

Cost price of each book=45-25=Rs.20

,, ,, ,, 20 ,, =20×20=Rs.400

Selling,, ,, 20 ,, =45×200=Rs.9000

Cost ,, ,, ,, ,, =20×200=Rs.4000

Amount of profit=9000-4000=Rs.5000

% ,, ,, =5000/4000×100=125%

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Answer 2

Answer: 897.5, 0.27

Step-by-step explanation:

S.P of 200 books = 45x200 = 9000

Profit of 200 books = 25

C.P of 200 books = 900-25 = 8975

C.P of 20 books = 8975/200 x 20 = 897.5‬

Profit of 20 books = 25/200 x 20 = 2.5

Profit % = 2.5/897.5 x 100 = 0.27%