Question:
If a motor car is driven 150 miles, the fuel tank is filled to what percent of capacity at the end of the trip?
I) The car averaged 15 miles per gallon for the trip
II) The tank is filled to 75 percent of capacity at the start of the trip
If a motor car is driven 150 miles, the fuel tank is filled to what percent of capacity at the end of the trip?
I) The car averaged 15 miles per gallon for the trip
II) The tank is filled to 75 percent of capacity at the start of the trip
I) The car averaged 15 miles per gallon for the trip
II) The tank is filled to 75 percent of capacity at the start of the trip
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To find a final percentage, you must know the total capacity of the container.
Updated On: Jun 26, 2026
- Statement I alone is sufficient
- Statement II alone is sufficient
- Statements I and II together are sufficient
- Statements I and II together are not sufficient
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The Correct Option is D
Solution and Explanation
Step 1: Concept
To find the final fuel percentage, we need: Start fuel amount, fuel consumed, and total tank capacity.
Step 2: Analysis of Statement I
Car covers 150 miles at 15 miles/gallon.
Fuel consumed = $\frac{150}{15} = 10$ gallons. Total capacity is unknown. Not sufficient.
Step 3: Analysis of Statement II
Start fuel = 75% of capacity. Consumption is unknown. Not sufficient.
Step 4: Combined Analysis
Start Fuel = 0.75C, Fuel Consumed = 10 gallons.
Final Fuel = $0.75C - 10$.
Final percentage = $\frac{0.75C - 10}{C} \times 100$.
Since the actual capacity 'C' is unknown, we cannot calculate a numerical percentage.
Step 5: Conclusion
Even together, the statements are not sufficient. Correct choice is (4). Final Answer: (4)
To find the final fuel percentage, we need: Start fuel amount, fuel consumed, and total tank capacity.
Step 2: Analysis of Statement I
Car covers 150 miles at 15 miles/gallon.
Fuel consumed = $\frac{150}{15} = 10$ gallons. Total capacity is unknown. Not sufficient.
Step 3: Analysis of Statement II
Start fuel = 75% of capacity. Consumption is unknown. Not sufficient.
Step 4: Combined Analysis
Start Fuel = 0.75C, Fuel Consumed = 10 gallons.
Final Fuel = $0.75C - 10$.
Final percentage = $\frac{0.75C - 10}{C} \times 100$.
Since the actual capacity 'C' is unknown, we cannot calculate a numerical percentage.
Step 5: Conclusion
Even together, the statements are not sufficient. Correct choice is (4). Final Answer: (4)
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