**Read Also- Profit And Loss Important Formulas**

**21. A single discount equivalent to a discount series of 30%, 20%, and 10% is?**

(a) 50%

(b) 49.6%

(c) 49.4%

(d) 50.4%

**22. A bag marked at Rs.80 is sold for Rs.68. The rate of discount is?**

(a) 20%

(b) 17(11/17)%

(c) 15%

(d) 12 %

**23. A man purchased sugar worth Rs.400. He sold 3/4th at a loss of 10% and the remainder at a gain of 10%. On the whole, he gets-**

(a) 5% loss

(b) 5% gain

(c) 5 1/19 % loss

(d) 5 1/9 % gain

**24. A man gains 10% by selling a certain article for a certain price. If he sells it at double the price, the profit% made is?**

(a) 20%

(b) 120%

(c) 100%

(d) 200%

**25. A grain dealer cheats to the extent of 10% while buying as well as selling, by using false weights. His total gain% is-**

(a) 10%

(b) 20%

(c) 22 2/9 %

(d) 21%