** 17) A dealer marks his goods 20% above his cost price. If he gives a discount of 10% on his marked rice, the profit he earns on his goods is**

(A) 7.5

(B) 8

(C) 10

(D) 12

** 18) A man buys oranges at the rate of 6 for Rs. 5 and sells them at the rate of 5 for Rs. 6. What was his gain percent?**

(A) 42%

(B) 46%

(C) 44%

(D) 43%

** 19) A man sold his watch at a loss of 5%. Had he sold it for Rs. 56.25 more he would have gained 10%. Find the cost price of watch.**

(A) Rs. 375

(B) Rs. 300

(C) Rs. 400

(D) Rs. 200