By walking at 3/4 of his usual speed, a man reaches his office 20 minute later than usual. this usual time is ?

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Mathematics

asked Sep 07, 2023 at 09:12

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Academy

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Answer 1

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At a speed of 3/4 of the usual speed, the time taken is 4/3 of the usual time = (4/3 of usual time ) – (usual time ) = 20min. ⇒ 4x/3 -x = 20 ⇒ x/3 =20 ⇒ x=60 min

answered Sep 07, 2023 at 09:12

A

Academy

Answer 2

At a speed of 3/4 of the usual speed, the time taken is 4/3 of the usual time = (4/3 of usual time ) – (usual time ) = 20min. ⇒ 4x/3 -x = 20 ⇒ x/3 =20 ⇒ x=60 min

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By walking at 3/4 of his usual speed, a man reaches his office 20 minute later than usual. this usual time is ?

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