EV Technology - Future Battery Technologies
A battery swapping station starts with 10 charged batteries. After swapping with 4 vehicles, 2 batteries are recharged and returned. How many charged batteries are available now?
A battery swapping station starts with 10 charged batteries. After swapping with 4 vehicles, 2 batteries are recharged and returned. How many charged batteries are available now?
medium📝 Analysis Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate batteries after swaps
10 charged - 4 swapped = 6 charged left.Step 2: Add recharged batteries returned
6 + 2 recharged = 8 charged batteries now available.Final Answer:
8 -> Option DQuick Check:
Charged batteries after swaps and recharge = 8 [OK]
Quick Trick: Subtract swaps, then add recharged batteries [OK]
Common Mistakes:
- Forgetting to add recharged batteries
- Adding swapped batteries instead of subtracting
- Mixing numbers
Master "Future Battery Technologies" in EV Technology
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore EV Technology Quizzes