1.
Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, his gain percent is:
A.
4 4 %
7
B.
5 5 %
11
C. 10% D. 12%
Answer & Explanation
Answer: Option B
Explanation:
Cost Price (C.P.) = Rs. (4700 + 800) = Rs. 5500.
Selling Price (S.P.) = Rs. 5800.
Gain = (S.P.) – (C.P.) = Rs.(5800 – 5500) = Rs. 300.
Gain % = 300 x 100 % = 5 5 %
5500 11
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2.
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:
A. 15 B. 16
C. 18 D. 25
Answer & Explanation
Answer: Option B
Explanation:
Let C.P. of each article be Re. 1 C.P. of x articles = Rs. x.
S.P. of x articles = Rs. 20.
Profit = Rs. (20 – x).
20 – x x 100 = 25
x
2000 – 100x = 25x
125x = 2000
x = 16.
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3.
If selling price is doubled, the profit triples. Find the profit percent.
A.
66 2
3
B. 100
C.
105 1
3
D. 120
Answer & Explanation
Answer: Option B
Explanation:
Let C.P. be Rs. x and S.P. be Rs. y.
Then, 3(y – x) = (2y – x) y = 2x.
Profit = Rs. (y – x) = Rs. (2x – x) = Rs. x.
Profit % = x x 100 % = 100%
x
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4.
In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
A. 30% B. 70%
C. 100% D. 250%
Answer & Explanation
Answer: Option B
Explanation:
Let C.P.= Rs. 100. Then, Profit = Rs. 320, S.P. = Rs. 420.
New C.P. = 125% of Rs. 100 = Rs. 125
New S.P. = Rs. 420.
Profit = Rs. (420 – 125) = Rs. 295.
Required percentage = 295 x 100 % = 1475 % = 70% (approximately).
420 21
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5.
A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?
A. 3 B. 4
C. 5 D. 6
Answer & Explanation
Answer: Option C
Explanation:
C.P. of 6 toffees = Re. 1
S.P. of 6 toffees = 120% of Re. 1 = Rs. 6
5
For Rs. 6 , toffees sold = 6.
5
For Re. 1, toffees sold = 6 x 5 = 5.
6