Data Insights Mock Tests
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Sample Questions
A company uses the formula: Profit = Revenue − Cost, where Cost = $10,000 + ($5 × units produced). If the revenue per unit is $15 and 2,000 units are produced and sold, what is the profit?
A table shows the weekly output of a factory for 8 weeks: Week 1 (1200), Week 2 (1150), Week 3 (1280), Week 4 (1320), Week 5 (1250), Week 6 (1380), Week 7 (1400), Week 8 (1350). What is the median weekly output?
A table shows the number of tasks completed by 4 workers: Worker A (25), Worker B (30), Worker C (28), Worker D (27). What is the total tasks completed?
Source A: A retail store saw a 20% increase in foot traffic this month. Source B: The same store reported a 5% decrease in sales revenue. Source C: The store lowered prices on most items by 10%. Which conclusion is best supported?
A bar chart shows the number of students enrolled in four courses in 2023: Course A (120), Course B (180), Course C (100), Course D (150). If Course A's enrollment increases by 25% and Course C's enrollment decreases by 10% in 2024, what is the ratio of Course A's 2024 enrollment to Course C's 2024 enrollment?
A data sufficiency question:
A train travels from Station A to Station B at 60 km/h and returns at 40 km/h. What is the average speed for the entire round trip?
Statement (1) The distance between Station A and Station B is 120 km.
Statement (2) The total travel time is 5 hours.
Source 1: Email from the logistics team: "Shipment A weighs 45 kg, Shipment B weighs 52 kg, Shipment C weighs 38 kg, Shipment D weighs 61 kg, Shipment E weighs 44 kg."
Source 2: Policy states that the average shipment weight must not exceed 50 kg, and no single shipment may exceed 60 kg.
How many policies are violated?
Two tables describe a library's book lending data:
Table 1 — Books Lent by Genre (March):
Fiction: 150
Non-Fiction: 90
Reference: 60
Table 2 — Books Returned On Time by Genre (March):
Fiction: 135
Non-Fiction: 85
Reference: 48
Which genre had the lowest on-time return rate?
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