We Are Providing You Free Pdf For + Boat & Stream Questions With Solution PDF Sets. Speed of stream is = ? (Downstream Speed � Upstream Speed) Types of Questions asked in the Previous Exams By SSC Type 1: When the distance covered by boat in downstream is same as the distance covered by boat upstream. The speed of boat in still water is x and speed of stream is y then ratio of time taken in going upstream and downstream is. Aug 29, �� Boat and Stream Formula used in Boats and Streams Concept Here assume that the speed of a boat in still water is X km/h and speed of the stream is Y km/h, then Speed in downstream = (X + Y) km/h Speed in upstream = (X � Y) km/h.
Boats and Streams questions require concepts and formula of time speed and distance. However, various tricks and shortcut formulas are handy to save time.� Boats and Streams is an essential topic for many competitive exams. Many varieties of questions can be framed from this area. We use the fundamental concepts of time speed and distance only to solve elementary questions on Boats and Streams. However, some types of questions are tricky and take lots of time to solve by applying textbook approach. Fortunately, there are some shortcut formulas available to handle such problems. In this article, besides an understanding of the basic concepts of boat sand streams, we will also learn few tricks to solve some exceptional questions. Derivation of formula 8 (boats and streams). Let the speed of a man in still water = $x$ km/hr speed of the stream = $y$ km/hr. Assume he travels a distance $d$ km upstream and come back the same distance downstream, and total time taken = $t$ hours. Speed downstream $=(x+y)$ Speed upstream $=(x-y)$. Time taken to travel upstream $=\dfrac{d}{x-y}$ Time taken to travel downstream $=\dfrac{d}{x+y}$. Total time $=t$ $\dfrac{d}{x-y}+\dfrac{d}{x+y}=t\\ d(x+y)+d(x-y)=t(x+y)(x-y)\\ 2dx=t(x+y)(x-y)\\ 2dx=t(x^2-y^2)\\ d=\dfrac{t(x^2-y^2). }{2x}$. Boats and Streams Formula pages has all the conceptual Formulas for Boats and Streams. Speed downstream = (u + v) km/hr Speed upstream = (u � v) km/hr.� Basic Formulas of Boats and Streams 1. If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then. Speed downstream = (u + v) km/hr Speed upstream = (u � v) km/hr. Basic Formulas on Boats and Streams 2. If the speed downstream is a km/hr and the speed upstream is b km/hr, then. Speed in still water.� If he takes t hours more in upstream than to go downstream for the same distance, the distance travelled is. = (x2 � y2)*t. 2y. Additional Formulas of Boats and Streams 3. A man rows a certain distance downstream in t1 hours and returns the same distance upstream in t2 hours.
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