Question:

The schedule of visits of three specialist doctors A, B, and C in a week at a corporate hospital is given below: \[ A:\text{ Monday to Saturday }(6:00\text{ am to }10:00\text{ am}) \] \[ B:\text{ Tuesday and Friday }(8:00\text{ am to }9:00\text{ am}) \] \[ C:\text{ Wednesday and Friday }(8:00\text{ am to }11:00\text{ am}) \] What is the day and time when all three doctors are available?

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For schedule problems, first find the common day and then determine the overlapping time interval.
Updated On: Jun 12, 2026
  • Monday 8:00 am to 10:00 am
  • Friday 8:00 am to 9:00 am
  • Saturday 9:00 am to 10:00 am
  • Wednesday 10:00 am to 11:00 am
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The Correct Option is B

Solution and Explanation


Step 1:
Find common days. Doctor B is available: \[ \text{Tuesday and Friday} \] Doctor C is available: \[ \text{Wednesday and Friday} \] Common day: \[ \text{Friday} \]

Step 2:
Find common timing on Friday. Doctor A: \[ 6:00\text{ am to }10:00\text{ am} \] Doctor B: \[ 8:00\text{ am to }9:00\text{ am} \] Doctor C: \[ 8:00\text{ am to }11:00\text{ am} \] Common interval: \[ 8:00\text{ am to }9:00\text{ am} \] Hence all three doctors are available on \[ \boxed{\text{Friday 8:00 am to 9:00 am}} \]
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