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A and B are two points of 150 km apart o...

A and B are two points of 150 km apart on a highway. A car starts from A and another from B at the same time. If they move in the same direction, they meet in 15 hours, but if they move in opposite direction, they meet in one hour. Find their speeds.

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MBD-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
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  10. Points A and B are 90 km apart from each other on a highway. A car sta...

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  15. A man walks a certain distance at a certain speed. Had he walked 1/2 k...

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