Govt. Exams
Entrance Exams
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Topics in Placement Papers
A merchant bought an item for ₹2000 and sold it for ₹2400. What is the profit percentage?
Correct Answer:
A. 20%
EXPLANATION
Profit = 2400 - 2000 = 400. Profit % = (400/2000) × 100 = 20%
Find the missing number: 16, 25, 36, 49, ?
Correct Answer:
A. 64
EXPLANATION
These are perfect squares: 4², 5², 6², 7², 8² = 16, 25, 36, 49, 64
If the cost price of an item is ₹500 and profit is 20%, what is the selling price?
Correct Answer:
A. ₹600
EXPLANATION
SP = CP + Profit = 500 + (20% of 500) = 500 + 100 = ₹600
The ratio of boys to girls in a class is 3:2. If there are 30 students, how many are girls?
Correct Answer:
A. 12
EXPLANATION
Total parts = 3 + 2 = 5. Girls = (2/5) × 30 = 12
If 5 workers can complete a project in 12 days, how many days will 8 workers take?
Correct Answer:
A. 7.5 days
EXPLANATION
Work is constant. 5 workers × 12 days = 8 workers × x days. x = (5×12)/8 = 60/8 = 7.5 days
A train travels at 60 km/h for 2 hours, then at 80 km/h for 3 hours. What is the average speed?
Correct Answer:
A. 72 km/h
EXPLANATION
Total distance = 60×2 + 80×3 = 120 + 240 = 360 km. Total time = 5 hours. Average speed = 360/5 = 72 km/h
