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A discount series of 10%, 20% and 40% is equal to single discount of ? 
A) 50%
B) 56.80%
C) 70%
D) 70.28%
Correct Answer : 56.80% Explanation : Let original price = Rs. 100 
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Rajendra bought a mobile with 25% discount on the selling price. If the mobile cost him 4875, what is the original selling price of the mobile? 
A) 6300 B) 6400 C) 6500 D) 6600 Correct Answer : 35 Explanation : Let the original selling price of mobile is x. 
Ticket for an adult is 500 and a child is 200. 1 child goes free with two adults. If a group has 20 adults and 8 children what will be the discount the group get? 
A) 53.43 % B) 13.79 % C) 32.2 % D) 35.06 % Correct Answer : 13.79% Explanation : Total Price of the ticket without discount = (20*500 + 200 *8)=11600 Total Price of ticket with discount = (20*500) = 10000 Total discount % = (1160010000)*100/11600 = 13.79% 
Pepsi and Coke, there are two companies, selling the packs of colddrinks. For the same selling price Pepsi gives two successive discounts of 10% and 25% on marked price, while Coke sells it by giving two successive discounts of 15% and 20% on marked price. What is the ratio of their marked price? 
A) 143 : 144
B) 19 : 11
C) 136 : 135
D) 73 : 77
Correct Answer : 136 : 135 Explanation : Let MP of Pepsi be P and Coke be C. 
Successive discount of 10% and 10% are equivalent to a single discount of ? 
A) 19%
B) 21%
C) 21%
D) 18%
Correct Answer : 19% Explanation : Let the CP be 100. Then, Single discount = (10081)% = 19% 
A retailer buys a washing machine marked at Rs 4800 and gets two successive discounts of 15% and 5%. If he spends Rs 124 on transportation and sells the washing machine at a gain of 13%, then find the selling price of the machine. 
A) 3520 B) 4520 C) 5520 D) 2520 Correct Answer : 4520 Explanation : Selling Price = 15% and 5% of 4800 Actual cost price of retailer = Cost price + spend on transportation Selling Price of retailer= Actual cost price + Actual cost price × profit Hence the selling price of the washing machine is Rs 4520 