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%