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Places A and B are 100 km apart on a hig...

Places A and B are 100 km apart on a highway. One car starts from A and another from b at the same time. If the cars travel in the same direction at different speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars

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RD SHARMA-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-All Questions
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  15. 2 men and 7 boys can do a piece of work in 4 days. The same work is...

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  17. In a cyclic quadrilateral A B C D , /A=(2x+4)o,\ \ /B=(y+3)o,\ \ /C...

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  20. A part of monthly hostel charges is fixed and the remaining depends on...

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