Data Sufficiency - Banking Type Exam Prep Resources

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Data Sufficiency - Banking Type

Q. A man bought a bicycle for $300 and sold it for $360. What is his profit percentage?

A. 15%
B. 20%
C. 25%
D. 30%

Solution

Profit = Selling Price - Cost Price = 360 - 300 = 60. Profit Percentage = (Profit/Cost Price) * 100 = (60/300) * 100 = 20%.

Correct Answer: B — 20%

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Q. A person invests $1000 at a compound interest rate of 5% per annum. What will be the amount after 2 years?

A. $1100.25
B. $1025
C. $1050
D. $1200

Solution

Amount = P(1 + r/n)^(nt) = 1000(1 + 0.05/1)^(1*2) = 1000(1.05)^2 = 1102.5.

Correct Answer: A — $1100.25

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Q. A shopkeeper marks a price of $200 on an item and offers a discount of 25%. What is the selling price?

A. $150
B. $160
C. $140
D. $170

Solution

Discount = 25% of 200 = 50. Selling price = 200 - 50 = 150.

Correct Answer: A — $150

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Q. If a man can complete a work in 10 days and another in 15 days, how long will it take them to complete the work together?

A. 6 days
B. 8 days
C. 5 days
D. 7 days

Solution

Work done by first man in a day = 1/10, second man = 1/15. Together = 1/10 + 1/15 = 1/6. Time = 6 days.

Correct Answer: B — 8 days

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Q. If a man sells a watch for $120 and makes a profit of 20%, what was the cost price of the watch?

A. $100
B. $110
C. $90
D. $80

Solution

Let the cost price be x. Then, 120 = x + 0.2x => 120 = 1.2x => x = 100.

Correct Answer: A — $100

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Q. If a train travels 120 km in 2 hours, what is its speed in m/s?

A. 10 m/s
B. 15 m/s
C. 20 m/s
D. 25 m/s

Solution

Speed = Distance / Time = 120 km / 2 h = 60 km/h = (60 * 1000) / (3600) = 16.67 m/s.

Correct Answer: C — 20 m/s

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