Question

the cost of 12 books is equal to sp of 8 notebooks find the gain or loss percentage ​

Answer 1

Answer:

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note book

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note bookC.P.of 12 note book=S.P.of 8 note book

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note bookC.P.of 12 note book=S.P.of 8 note bookLet C.P.of each note book=1 Rs.

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note bookC.P.of 12 note book=S.P.of 8 note bookLet C.P.of each note book=1 Rs.Then C.P of 8 note book=8 Rs.

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note bookC.P.of 12 note book=S.P.of 8 note bookLet C.P.of each note book=1 Rs.Then C.P of 8 note book=8 Rs.S.P. of 8 note book=12 Rs.

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note bookC.P.of 12 note book=S.P.of 8 note bookLet C.P.of each note book=1 Rs.Then C.P of 8 note book=8 Rs.S.P. of 8 note book=12 Rs.∴Profit=12−8=4

S.P.of 12 note book-C.P.of 12 note book=S.P. of 4 note bookC.P.of 12 note book=S.P.of 8 note bookLet C.P.of each note book=1 Rs.Then C.P of 8 note book=8 Rs.S.P. of 8 note book=12 Rs.∴Profit=12−8=4Profit %=

8

4

4×100=50

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