Q1CP = ₹800, SP = ₹1000. Profit % is:

Q2An article sold at 20% loss. CP = ₹500. SP is:

Q3Who wrote the first systematic double-entry accounting text?

Q4Successive discounts of 10% and 20% = equivalent single discount of:

Q5A trader uses 900g weight instead of 1 kg. His actual profit % is:

Q6A merchant marks up his goods 40% above CP and offers a 20% discount. Net % gain:

Q7A trader uses 800 g weight instead of 1 kg, claiming no profit no loss. Real gain:

Q8CP of 10 articles = SP of 8 articles. Profit % is: