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Elimination Method of Finding Solution of a Pair of Linear Equations

A motorboat c...

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A motorboat covers a given distance in 6 hours moving downstream on a river. It covers same distance in 10 hours moving upstream . The time taken to cover the same distance in still water is a. 9hours b. 7.5hours c. 6.5 hours d. 8hours

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Elimination Method of Finding Solution of a Pair of Linear Equations

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