## A boat goes 24km upstream and 28km downstream in 6 hours. It goes 30km upstream and 21km downstream in 6 hours and 30 minutes. The speed of the boat on still water is?

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When a boat goes upstream what will be the speed and same for downstream. I am not able to form ...Read more

## Find k for which the system x+2y=3 and 5x+ky+7=0 is inconsistent.

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This question is taken from linear equations in two variables in which we have given two equations x+2y=3 and 5x+ky+7=0 ...Read more

## Find k for which the system 2x+3y-5=0, 4x+ky-10=0 has an infinite number of solution

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This is the basic and conceptual question from linear equations in two variables in which we have given two equations ...Read more

## Find k for which the system kx-y=2, 6x-2y=3 has a unique solution.

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One of the most important and exam oriented question from linear equations in two variables in which we have given ...Read more

## Find the value of k for which the system 3x+5y=0, kx+10y=0 has a non zero solution.

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One of the most important and conceptual question from linear equations in two variables in which we have given two ...Read more

## If x/4 + y/3 = 5/12 and x/2 + y = 1, then find the value of (x+y)

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This is the basic and exam oriented question from linear equations in two variables in which we have to find ...Read more

## If 2/x + 3/y = 9/xy and 4/x + 9/y = 21/xy, find the values of x and y.

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This is the basic and exam oriented question from linear equations in two variables in which we have given two ...Read more