A Plane Traveling 600 Miles Per hour in 30 Miles from Kennedy Airport GMAT Problem Solving

Question: A plane traveling 600 miles per hour in 30 miles from Kennedy Airport at 4:58 PM. At what time will it arrive at the airport?

1. 5:00 PM
2. 5:01 PM
3. 5:02 PM
4. 5:03 PM
5. 5:20 PM

Answer:
Solution with Explanation:
Approach Solution (1):

Plane travels 600 miles in 60 minutes
Plane will travel 30 miles in \(\frac{60}{600}*30\) minutes = 3 minutes
i.e. Arrival time of plane = 3 minutes after 4:58 = 5:01 PM

Correct Option: B

Approach Solution (2):

Given values:
Speed = 600 mph
Distance = 30 miles
So, time = Distance / Speed = 30 miles / 600 mph = 1 / 20 hours
1 / 20 hours = 3 minutes [(1/20)*60 min]
4:58 + 3 minutes = 5:01 PM

Correct Option: B

Approach Solution (3):

As per the understanding, 600 miles per hour, hence we can see that in an hour i.e. 60 minutes, it is traveling in a speed of 600 miles,
So 600 / 60 = 10
30 miles, 30 / 10 = 3
Time right now, 4:58 + 3 = 5.01 ETA

Correct Option: B

“A plane traveling 600 miles per hour in 30 miles from Kennedy Airport at 4:58 PM. At what time will it arrive at the airport?”- is a topic of the GMAT Quantitative reasoning section of GMAT. This question has been taken from the book “GMAT Official Guide Quantitative Review”. To solve GMAT Problem Solving questions a student must have knowledge about a good amount of qualitative skills. The GMAT Quant topic in the problem-solving part requires calculative mathematical problems that should be solved with proper mathematical knowledge.

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