a boat can travel 20 km downstream in 24 minutes

A boat travels 1 1/3 hours to go 20 km downstream and 2 2/9 hours to return. A tank has 3 inlets X, Y and Z and 1 outlet. 9. A boat can travel with a speed of 22 km/hr in still water. how much time (in hours) will P take to empty the full tank completely ? … Three pipes A, B and C can till a cistern in 6 hours.

A boat rows in still water at 6 kmph. what is the average speed of the boat, Average speed = 2*12*15/(12 +15) = 13.33 km/h. How many students attended the picnic ? 4. A boat goes 12 km upstream and 40 km downstream in 8 hours. The ratio of the speed of the boat in still water to the speed of the stream is 4 : 1. 1).

A boat makes a return journey from point A to point B and back in 5 hours 36 minutes. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54 km downstream. Find out the speed of the boat in still water. It took a man twice as long to row up as to row down the river. The distance between X and Y is 20 km which is half of the distance between Y and Z. A motor boat can travel 30km upstream and 28 km downstream in 7 hours. A boat can travel with a speed of 13 km/hr in still water. The speed of boat A in still water is equal to the rate upstream of boat B. 2 hours: C. 4 hours: D. 5 hours 5. If the time taken to fill the empty tank completely when all of them are opened simultaneously is \( \Large 3 \frac{15}{19} \) hours. River is running at 2 kmph.

The man's speed against the current is: A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. A boat can travel with a speed of 13 km/hr in still water. It takes 8 hours less to cover this distance in downstream in comparison to that in upstream. The total time taken by him is: 7. The speed of Boat B in still water is 10 km/h and the speed of Boat A in still water is equal to the speed of Boat B downstream.

Then the maximum value that M can take is : 10). This online calculator tool can be a great help for calculating time basing on such physical concepts as speed and distance.

What is the speed of Boat A in still water? The angles of a convex hexagon in degrees are integers and in arithmetic progression. 10. 2 ... 2x = 20 x = 10 Substitute x = 10 in (4), we get x + y = 14 10 + y = 14 y = 14 - 10 y = 4. One way it travels with the stream and on the return it travels against the stream. If the respective ratio of speed of the boat in still water and speed of the stream is 7 : 1. The distance between X and Y is 40 km and that distance between Y and Z is 24 km. A boat can travel 4.2 km upstream in 14 minutes. The speed of a boat in still water in 22 km/hr and the rate of current is 4 km/hr. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic.

The rate of the flow of river is 5 km/hr. A man rows to a place at a distance of 4864 km and comes back to the starting point. The number of hours taken by C alone to fill the cistern is : 9). Therefore, in order to calculate the time, both distance and speed parameters must be entered. A boat can go 15.2 km downstream in 24 minutes.

rate (in km ph) of the man in still water is : 8). If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream. Boat A travels upstream from point X to point Y in 2 hours more than the time taken by Boat B to travel downstream from point Y to point Z. Also, Z fills the empty tank completely in half the time taken by P to empty the full tank completely. A boat can travel 20 km downstream in 24 minutes. What is the ratio between the speed of the boat and speed of the water current respectively? Some students planned a picnic. 4). Speed of boat B in still water is 10 kmph. What is the speed of the boat in still water? If the speed of the stream is 5 km/hr, find the time taken by the boat to go 54 km downstream: A. Boat A travels upstream from point X to point Y in 2 hours more than the time taken by Boat B to travel downstream from point Y to point Z. time taken to travel upstream : time taken to travel downstream  = 2 : 1, in still water, a boat reaches a point at 12 km/h and returns at 15 km/h. If the speed of the stream is 2.5 km/hr. Q in 18 minutes and R in 24 minutes. A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. For the speed, you need to enter its value and select speed unit by using the scroll down menu in the calculator. The budget for food was Rs. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream. 500. What is the speed of boat A in still water? A. What is the rate of the boat in still water? A boat covers a certain distance downstream in 1 hour, while it comes back in 1. Speed downstream = (14 + 1.2) = 15.2 kmphSpeed upstream = (14 - 1.2) = 12.8 kmphTotal time taken $=\dfrac{4864}{15.2} + \dfrac{4864}{12.8}$ = 320 + 380 = 700 hours, Speed downstream = (22 + 4) = 26 kmphTime = 24 minutes $=\dfrac{24}{60}\text{ hour = }\dfrac{2}{5}\text{ hour}$Distance travelled = Time × speed $=\dfrac{2}{5} × 26$ = 10.4 km, Let the speed of the water in still water $=x$Given that speed of the stream = 3 kmphSpeed downstream $=(x+3)$ kmphSpeed upstream $=(x-3)$ kmphHe travels a certain distance downstream in 1 hour and come back in 11⁄2 hour.i.e., distance travelled downstream in 1 hour = distance travelled upstream in 11⁄2 hourSince distance = speed × time, we have$(x + 3) ×1 = (x - 3)\dfrac{3}{2}\\~\\\Rightarrow 2(x + 3) = 3(x-3)\\~\\\Rightarrow 2x + 6 = 3x - 9\\~\\\Rightarrow x = 6+9 = 15\text{ kmph}$, Let the rate upstream of the boat $=x$ kmphand the rate downstream of the boat $=y$ kmphDistance travelled upstream in 8 hrs 48 min = Distance travelled downstream in 4 hrs.Since distance = speed × time, we have$x × 8\dfrac{4}{5} = y × 4\\x × \dfrac{44}{5} = y × 4\\x × \dfrac{11}{5} = y \quad \color{#F00}{\cdots \text{(equation 1)}}$Now consider the formula given below, Hence, speed of the boat $=\dfrac{y+x}{2}$speed of the water $=\dfrac{y-x}{2}$Required Ratio$= \left(\dfrac{y+x}{2}\right) : \left(\dfrac{y-x}{2}\right)\\~\\= (y + x) : (y-x)$$= \left(\dfrac{11x}{5} + x\right) : \left(\dfrac{11x}{5} - x\right)~~$ $\color{#F00}{\text{(∵ Substituted value of }y}$ $\color{#F00}{\text{ from equation 1)}}$$= (11x+5x) : (11x-5x)\\~\\=16x : 6x \\~\\= 8 : 3$, Speed of the boat in still water = 22 km/hrspeed of the stream = 5 km/hrSpeed downstream = (22+5) = 27 km/hrDistance travelled downstream = 54 kmTime taken $=\dfrac{\text{distance}}{\text{speed}} = \dfrac{54}{27}\text{ = 2 hours}$, Let the speed downstream be a km/hr and the speed upstream be b km/hr, then.

In what time will these pages be typed if they work together? 6). 3). How much time will the boat take to cover 17.6 km downstream ? A boat can travel with a speed of 22 km/hr in still water. L and M denote the largest of these 6 angles. 6. The speed of the stream (in km/hr) is: More Related Questions on Boats and Streams. X fills the empty tank completely in 1.5 times the time taken by Y to fill the empty tank completely. How much time will the boat take to cover 15 km upstream? (in minutes). The speed of Boat B in still water is 10 km/h and the speed of Boat A in still water is equal to the speed of Boat B downstream. A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. 10. P, Y fills the empty tank in 3 times the time taken by Z to fill the empty tank completely. How much distance (in km) can the boat cover upstream in 18 minutes? But, 5 of them failed to go and thus the cost of food for each member increased by Rs. The distance between X and Y is 40 km and that distance between Y and Z is 24 km. The distance between two points is 36 km. The distance travelled downstream in 24 minutes is: 8. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. of the river flows at the rate 1 km/hr the speed of the boat in still water is? 5). We also share information about your use of our site with our social media, advertising and analytics partners. What is the ratio between the speed of the boat and speed of the water current respectively? A boat takes 3 hours less time in rowing from point X to point Y in downstream than that in rowing from point Y to point Z in upstream. 2 hours. A boat can travel 4.2 km upstream in 14 minutes. find the speed of boat in still water and speed of the stream. It can go 16 km upstream and 32 km downstream is the same time.

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The inequality \( \Large 2x^{2} + 9x + 4 < 0 \) is satisfied for which of the following values of 'x'. Three typists P, Q and R have to type 368 pages.

About Speed Distance Time Calculator. P types one page in 8 minutes. (Consider the speed of the current to be the same). The rate of stream is. a boat takes 2 times as long to row a distance upstream as to row the same distance downstream. it can travel 21 km upstream and return in 5 hours.

3 hours: B. 7). Speed of a boat in standing water is 14 kmph and the speed of the stream is 1.2 kmph. 5. Find the speed of the boat in still water and the speed of the stream.

(The distance between A and B is 16 km.) The. (in kmph). 2). If the speed of the stream increases by 2 km/hr, the return journey takes 9 hours 20 minutes.

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