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Three customers want haircut and a shave. In a saloon, two barbers operate at same speed. They take quarter of an hour for the haircut and 5 mins for the shave. How quickly can they finish the haircut and shave of these three customers?
- a)30 minutes
- b)20 minutes
- c)40 minutes
- d)60 minutes
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Three customers want haircut and a shave. In a saloon, two barbers ope...
Solution:
Given that two barbers take 15 mins for a haircut and 5 mins for a shave.
Let us assume that the first barber will take care of the first two customers, and the second barber will take care of the third customer.
Time taken for the haircut of the first two customers by the first barber = 15 mins + 15 mins = 30 mins
Time taken for the shave of the first two customers by the first barber = 5 mins + 5 mins = 10 mins
Total time taken by the first barber for the first two customers = 30 mins + 10 mins = 40 mins
Time taken for the haircut of the third customer by the second barber = 15 mins
Time taken for the shave of the third customer by the second barber = 5 mins
Total time taken by the second barber for the third customer = 15 mins + 5 mins = 20 mins
Therefore, the total time taken by both the barbers to finish the haircut and shave of three customers = 40 mins + 20 mins = 60 mins
But the question is asking for how quickly they can finish the work, so we need to find the minimum time required to finish the work.
Since both the barbers are operating at the same speed, the time taken by them to finish the work will be the same.
Therefore, the minimum time required to finish the work = Total time taken by both the barbers to finish the work / Number of barbers = 60 mins / 2 = 30 mins
Hence, the correct option is (a) 30 minutes.
Given that two barbers take 15 mins for a haircut and 5 mins for a shave.
Let us assume that the first barber will take care of the first two customers, and the second barber will take care of the third customer.
Time taken for the haircut of the first two customers by the first barber = 15 mins + 15 mins = 30 mins
Time taken for the shave of the first two customers by the first barber = 5 mins + 5 mins = 10 mins
Total time taken by the first barber for the first two customers = 30 mins + 10 mins = 40 mins
Time taken for the haircut of the third customer by the second barber = 15 mins
Time taken for the shave of the third customer by the second barber = 5 mins
Total time taken by the second barber for the third customer = 15 mins + 5 mins = 20 mins
Therefore, the total time taken by both the barbers to finish the haircut and shave of three customers = 40 mins + 20 mins = 60 mins
But the question is asking for how quickly they can finish the work, so we need to find the minimum time required to finish the work.
Since both the barbers are operating at the same speed, the time taken by them to finish the work will be the same.
Therefore, the minimum time required to finish the work = Total time taken by both the barbers to finish the work / Number of barbers = 60 mins / 2 = 30 mins
Hence, the correct option is (a) 30 minutes.
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Three customers want haircut and a shave. In a saloon, two barbers operate at same speed. They take quarter of an hour for the haircut and 5 mins for the shave. How quickly can they finish the haircut and shave of these three customers?a)30 minutesb)20 minutesc)40 minutesd)60 minutesCorrect answer is option 'A'. Can you explain this answer? for Quant 2026 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about Three customers want haircut and a shave. In a saloon, two barbers operate at same speed. They take quarter of an hour for the haircut and 5 mins for the shave. How quickly can they finish the haircut and shave of these three customers?a)30 minutesb)20 minutesc)40 minutesd)60 minutesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Quant 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Three customers want haircut and a shave. In a saloon, two barbers operate at same speed. They take quarter of an hour for the haircut and 5 mins for the shave. How quickly can they finish the haircut and shave of these three customers?a)30 minutesb)20 minutesc)40 minutesd)60 minutesCorrect answer is option 'A'. Can you explain this answer?.
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