Math, asked by aryan189, 1 year ago

a boy runs for 10 minutes at a uniform speed of 9km/h. at what speed should he run for the next 20 minutes so that the average speed comes to 12km/h ?

ANKG: Ans of this prblm is 13.5km/h .

Answers

Answered by ramashishsrow7lmd

1

He Should Run at a speed of 13.5km/h

aryan189: please give with solution

ramashishsrow7lmd: U want solution ??

Abhijittripathy99: see my answer with solution

ramashishsrow7lmd: see Abhi has given u

Abhijittripathy99: hmm yes

Answered by Abhijittripathy99

8

see here,I am just giving the answer.
answer is 13.5km/hr.

Thanks.

Tripathy.

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