Question

By selling a book for RS 648 a book sellet earn a profit of 20% find the cp of book

Answer 1

given that,

S.P of a book = Rs. 648

Profit% = 20%

By using the formula,

C.P. = [100 x S.P./(100 + Gain %) ]

= 100 * 648/(100+20)

=540

∴ C.P of the book = Rs.540

Answer 2

Hello dear,


S.P of a book = ₹ 648

Profit% = 20%

By using the formula,

C.P. = [100 x S.P./(100 + Gain %) ]

= 100×648/(100+20)

=540

Therefore ,C.P of the book = ₹ 540

Hope it helps.