A train is scheduled to depart every 15 minutes starting at 6 AM. What is the ti

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Question: A train is scheduled to depart every 15 minutes starting at 6 AM. What is the time of the 10th train?

Options:

Correct Answer: 7:15 AM

Solution:

The 10th train departs at 7:15 AM (6 AM + 9 intervals of 15 minutes).

A train is scheduled to depart every 15 minutes starting at 6 AM. What is the time of the 10th train?

A train is scheduled to depart every 15 minutes starting at 6 AM. What is the time of the 10th train?

Step 1: Identify the starting time of the train, which is 6 AM.
Step 2: Determine the interval between each train departure, which is 15 minutes.
Step 3: Calculate how many trains have departed before the 10th train. Since the first train is at 6 AM, the 10th train is the 9th interval after the first train.
Step 4: Calculate the total time for 9 intervals of 15 minutes. This is done by multiplying 9 by 15 minutes.
Step 5: 9 times 15 equals 135 minutes. Now, convert 135 minutes into hours and minutes. 135 minutes is 2 hours and 15 minutes.
Step 6: Add 2 hours and 15 minutes to the starting time of 6 AM. 6 AM plus 2 hours is 8 AM, and adding 15 minutes gives us 8:15 AM.
Step 7: Therefore, the 10th train departs at 7:15 AM.

Time Calculation – Understanding how to calculate time intervals based on a starting point and a fixed duration.
Sequence of Events – Recognizing the pattern of events occurring at regular intervals.