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  • CDS Exam ELEMENTARY MATHEMATICS Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of ELEMENTARY MATHEMATICS Percentage Discount for CDS Exam student. This free online ELEMENTARY MATHEMATICS study material for CDS Exam will help students in learning and doing practice on Percentage Discount topic of CDS Exam ELEMENTARY MATHEMATICS. The study material on Percentage Discount, help CDS Exam ELEMENTARY MATHEMATICS students to learn every aspect of Percentage Discount and prepare themselves for exams by doing online test exercise for Percentage Discount, as their study progresses in class. Kidsfront provide unique pattern of learning ELEMENTARY MATHEMATICS with free online comprehensive study material and loads of CDS Exam ELEMENTARY MATHEMATICS Percentage Discount exercise prepared by the highly professionals team. Students can understand Percentage Discount concept easily and consolidate their learning by doing practice test on Percentage Discount regularly till they excel in ELEMENTARY MATHEMATICS Percentage Discount.


Percentage Discount
The single discount equivalent to two successive discount of10% and 20% is equal

a) 30%
b) 28%
c) 10%
d) 38%



Answer
Solution
Correct Answer Is : 28%
Solution Is : Required discount =(a+ b-(a*b/100))% =(10+20-(10*20/100))% =(30-2)% 28%
If 90% of x is 315km , then the value of x is

a) 325km
b) 350km
c) 405km
d) 340km



Answer
Solution
Correct Answer Is : 350km
Solution Is : 90% of x=315 x*(90/100)=315 x=(315*100/90) =350km
Mr. A spent 78% of his monthly income and save the rest. If his annual saving Rs 22440 his monthly income is

a) 7800
b) 8500
c) 9700
d) 10125



Answer
Solution
Correct Answer Is : 8500
Solution Is : Let monthly income of Mr. A=x Saving of Mr. A =(100-78)% of x=22% of x 22% of x =(22440/12) (monthly saving) 100% of x=(1870*100/22) =Rs 8500
A shopkeeper, in order to clear his old stock of TV sets, offers 12% discount on the TV sets. If the marked price of TV set is 6500, the selling price of the TV set is

a) 5700
b) 5720
c) 5400
d) 6000



Answer
Solution
Correct Answer Is : 5720
Solution Is : Marked price of TV set 6500, discount = 12% We know that, Marked Price - Discount = Selling Price Selling Price = 6500 - 6500 * 12/100 = 6500 - 65 * 12 =6500 - 780 = 5720
A dealer marks his goods 20% above cost price and allows a discount of 10% to his customers. His gain percentage is

a) 9%
b) 6%
c) 8%
d) 7%



Answer
Solution
Correct Answer Is : 8%
Solution Is : Let the cost price = 100 According to the question, A dealer marks his goods 20% above cost price. Marked price = 100 + 20/100 = 100 + 20 = 120 The dealer allows a discount of 10% to his customers. We know that, MP (marked price )- Discount = Selling price (SP) 120 - 10% of 120 = sp, 120-12=SP Selling Price = 108 Gain = Selling Price - Cost Price = 108 - 100 = 8 Gain percent = Gain/Cost Price * 100 = 8/100 * 100 = 8%
The college election, a candidate secured 62% of the votes and is elected by a margin of 144 votes. The total number of votes polled is

a) 600
b) 800
c) 1200
d) 925



Answer
Solution
Correct Answer Is : 600
Solution Is : A candidate secured 62% of the votes. Remaining votes = 100% - 62% Candidate is won by a margin of 144 votes. So, 162% - 38% = 144, 24% = 144 1% = 144/24, 100%=144/24*100 = 600.
A seller increases the cost price of an article by 30% and fixed the marked price as Rs. 286. But during sale he gave 10% discount to the purchaser. The percentage of profit will be

a) 10%
b) 15%
c) 20%
d) 17%



Answer
Solution
Correct Answer Is : 17%
Solution Is : A seller increases the cost price of an article by 30% and fixed the marked price as Rs. 286. But during sale he gave 10% discount to the purchaser. The percentage of profit will be 17%.
An item was sold for Rs. 3600 at 25% discount. Its marked price was

a) Rs. 4800
b) Rs. 4500
c) Rs. 2700
d) Rs. 2880



Answer
Solution
Correct Answer Is : Rs. 4800
Solution Is : Taken cost price = 100 then loss 25% so 100-25 = 85 C.P = 100 S.P = 85 85 - 3600 100 - ? Marked price = Rs.4800.
The selling price of an article is Rs. 1,920 and the discount given is 4%. The marked price of the article is

a) Rs. 2,400
b) Rs. 2,000
c) Rs. 1,600
d) Rs. 1,200



Answer
Solution
Correct Answer Is : Rs. 2,000
Solution Is :
The single discount, which is equivalent to three successive discounts of 25%, 20% and 10%, is

a) 0.55
b) 0.54
c) 0.46
d) 0.45



Answer
Solution
Correct Answer Is : 0.46
Solution Is :
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