Saahil Gupta: Tutoring for Knowledge Excellence

Answer

Let work to be done is 12 units Ajay's one hour work-12/4=3 ------eq1 Bijay and chaman one hour work-12/3=4------eq2 Ajay and chaman one hour work-12/2=6-----eq3 From eq 1 and 3 we will get one hour work of chaman as 3 ----eq 4 From eq 2 and eq 4 we will get one hour work of bijay as 1 So ,total time taken by Bijesh will be 12/1=12 hours

Answer

Discount-10% That implies ratio of Marked price to selling price is 10:9 Now S.P is 45000 So M.P. will be 45000/9*10=50000 If no discount is given,then SP=MP So ,SP =50000