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Places A and B are 80 …

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Places A and B are 80 km apart from each other on a highway. A car starts from A and another from B at the same time. If they move in same direction they meet in 8 hours and if they move towards each other they meet in 1 hour 20 minutes. Find the speed of cars

Posted by Harsh Lakra 6 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Swetanshu Kumar 6 years, 10 months ago

let speed of car A and car B be x and y respectively. 80/x-y=8 10/ x-y=1 10=x-y (eq.1) 80/x+y=80/60 1/x+y=1/60 x+y=60(eq.2) solving eq. 1 and 2 x=35 y=25 speed of car A is 35 km/ hr. speed of car B is 25 km/ hr.

1Thank You

Mishthi ? 6 years, 10 months ago

35km/hr and 25km/hr

2Thank You

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CBSE > Class 10 > Mathematics