A shopkeeper bought 300 eggs at 80 paisa each. 30 eggs were broken in transit and then he sold the remaining eggs at one rupee each. Find his gain or loss as percent.

By selling an article for ₹ 900, a man gains 20%. Find his cost price and the gain.

Find the selling price :

(i) C.P. = ₹ 352, overheads = ₹ 28 and profit = 20%.

(ii) C.P. = ₹ 576, overheads = ₹ 44 and loss = 16%.

If John sells his bicycle for ₹ 637, he will suffer a loss of 9%. For how much should it be sold if he desires a profit of 5% ?