Question

If three dozen pencils were purchased for rs 72 and were sold at for two dozen. find percentage of profit and loss

Answer 1

cost price of of 3 dozen pencils are rs72
selling price of 24 pencils are rs72
profit =36-24=12
profit*/cp =25%

Answer 2

C.P. of three donzen pencils= RS 72
C.P. of one donzen= 72/3= RS 24
S.P. of two donzens= RS 72
S.P. of one donzen= 72/2= RS 36
Profit=S.P.-C.P.=36-24=RS 12
Profit%=Profit/C.P.×100
=12/24×100
=50%