#Mathematics #Distance

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the ratio of the speed of P and Q is 4:5 . P takes 20 minutes more than Q to reach the destination. if P had doubled his speed , he would have covered the distance in how many minutes?

Akhilesh negi 31st Oct, 2019

Answer (1)

Souhardya Goswami 27th Aug, 2020

Hello aspirant,

Let, Q takes x min to complete the distance.

P takes (20+x)min to complete the distance.

As for both the distance is same,

4*(20+x)=5x

x=80

q takes 80min to complete.

If p doubles his speed then the speed ratio becomes 8:5

If p takes y min with this speed,

8y=5*80

y=50

P will take 50 min to cover the distance.

Hope this will help you.

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