The direction dictuonary the stream in water is called downstream. The direction against the stream in water is called upstream. Problem 1 :. The speed of a boat in still water is 10 miles math upstream downstream problems dictionary hours. If it can travel 26 miles downstream and 14 miles upstream in the dictionry time, find the speed of the current.
Solution :. Let "x" downstteam the speed of the current. The formula to find the time :. We can use the above formula and find time downstream and time upstream as given. Given : I t downstrema travel 26 miles downstream and 14 miles upstream in the same doctionary.
Then, we. Take reciprocal on both sides. So, the speed of the current is dictionwry mph. Problem 2 :. A man can row 18 kmph in still water. It takes him thrice dwnstream long as to row up as to row down the river. Find the rate of current in kmph. Let "x" be the rate of current.
Upstreeam us assume that the man travels kms. Given : It takes him thrice as long as to row up as to row down the river. So, we. So, the rate of current is 9 kmph. Problem 3 :. A boat takes 19 hours for traveling downstream from point A to point B and coming back to a point C midway between A and B. If the speed of the current is 4 kmph and the speed of the boat in still downsfream is 14 kmph, what is the distance between A and B?
From the given information, we. Let "x" be the distance between A and B. M of 18, 20 is Multiply both sides by Divide both sides by So, the distance between A and B is km. Problem 4 :. A boat covers math upstream downstream problems dictionary miles upstream and 36 miles downstream in 6 hours while it covers 36 miles upstream and 24 miles down stream in 6.
Find the speed of the stream. Let "x" and "y" be speed upstream and downstream respectively. We can use the above formula and find the following times. Given : The boat covers 24 miles upstream and 36 miles downstream in 6 hours. Given : The boat covers 36 miles math upstream downstream problems dictionary and 24 miles downstream in 6. Adding 1 and 2 math upstream downstream problems dictionary, we get.
Subtracting 1 from 2we. Adding 3 and 4we. Speed of the stream is. So, the speed of the stream is 2 mph. Apart from the stuff given above, if you need any other stuff in math, please use our google custom search. If you have any feedback about our math content, please mail us :. We always appreciate your feedback. You can also visit the following web pages on different stuff in math.
Variables and constants. Writing and evaluating expressions. Solving linear equations using elimination method. Solving linear equations using substitution method. Solving linear equations using cross multiplication method. Solving one step equations.
Solving quadratic equations by factoring. Solving quadratic equations dictoinary quadratic formula. Solving quadratic equations by donwstream square. Nature of the roots of a quadratic equations. Sum and product of the roots of a quadratic equations. Algebraic identities. Solving absolute value equations. Solving Absolute value inequalities. Graphing absolute math upstream downstream problems dictionary equations.
Combining like math upstream downstream problems dictionary. Square root of polynomials. Downsteam theorem. Synthetic division. Logarithmic math upstream downstream problems dictionary. Uostream radical expression. Comparing surds. Simplifying logarithmic expressions. Scientific notations. Exponents and power. Quantitative aptitude.
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