Decode these problems for SI examinations

Hyderabad: This article is in continuation to the last article on preparation for the Sub-Inspector of Police recruitment exam. Here are some practice questions, answers and explanations on the Profit and Loss topic. 1. A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price […]

Hyderabad: This article is in continuation to the last article on preparation for the Sub-Inspector of Police recruitment exam. Here are some practice questions, answers and explanations on the Profit and Loss topic.
1. A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle?
A. Rs. 1090 B. Rs. 1160 C. Rs. 1190 D. Rs. 1202
Ans: C
Explanation:
Cost price= 1400
S.P. = 15% loss on Cost Price
= (100-15)% of Rs. 1400
= Rs. = Rs. 1190

2. The selling price of 10 oranges is the cost price of 13 oranges. Then the profit percentage is
A. 30% B. 10% C. 13% D. 3%
Ans: A
Explanation:
Let the CP of 1 orange = Rs. 1
The CP of 10 orranges = Rs 10
The CP of 13 orranges = Rs 13
The SP of 10 oranges = Rs. 13
Gain percent = (13 – 10)/10 * 100 = 30%

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3. A man buys 12 articles for Rs. 12/- and sells them at the rate of Rs. 1.25 per article. His gain percentage is:
A. 20 B. 25 C. 15 D. 18
Ans: B
Explanation:
Cost Price= 12

Selling Price= 12×1.25=15

Total Profit = 15 – 12 = Rs. 3

% gain = (3/12) x 100 = 25%

4. A horse and a cow were sold for Rs. 12000 each. The horse was sold at a loss of 20% and the cow at gain of 20% his entire transaction resulted in?
A.no loss or gain B. gain of Rs. 1000
C. loss of Rs. 1000 D. gain of Rs. 2000
Ans: C
Explanation:
Total S.P = Rs, 24000.
C.P =
C.P. of horse =Rs. [(100/80) x 12000] = 15000.
C.P =
C.P. of cow = Rs[(100/120) x 12000] = 10000
Total C.P. = Rs. 25000.
Loss = Rs. (25000—24000)= Rs 1000.

5. A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?
A. Rs. 18.20 B. Rs. 70
C. Rs. 72 D. Rs. 88.25
Ans: C
Explanation:
Selling Price=392
CP =
C.P = Rs. ( x 392) = Rs. ( x 392) = Rs. 320
Profit = Rs. (392 – 320) = Rs. 72

6. What profit/loss percent did Ramu earn if he purchased an item of Rs.5,600 and sold it at three-fourth of its cost price?
A. Loss of 20 percent B. Gain of 25 percent
C. Neither gain or loss D. None of the above
Ans: D
Explanation:
C.P. = Rs.5600
S.P. = Rs.5600x ¾ = Rs.4200
Loss = Rs.5600-4200 = Rs.1400
Loss percentage = 1400×100/5600 = 25%.

By Banda Ravipal Reddy
Director, SIGMA
Sai Institute of General Mental Ability
Hyderabad