Question

Bus A and Bus B leave the bus depot at 9 am.
Bus A takes 30 minutes to do its route and bus B takes 40 minutes to complete its route.
At what time are they both back at the bus depot together?
Give your answer as a 12-hour clock time

Answer 1

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Let the bus A and bus B

time taken by bus A=30minutes

time taken by bus B=30minutes

Total time =1hr(60minutes)

it means bus came at 10:00

Time taken by bus Ato go =40minutes

Time taken by bus B to go =40minutes

Total time =80minutes

it mean bus came at 10:20

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