Question
If (360 – 335 + 205) ÷ 10 + √1600 = x, then {(x/2) +
8} = ?Solution
ATQ,
((360 – 335 + 205) ÷ 10 + √1600 = x
(25 + 205) ÷ 10 + 40 = x
230 ÷ 10 + 40 = x
23 + 40 = x
x = 63
Therefore, {(x/2) + 8} = (31.5 + 8) = 39.5
- The ratio of the boat's speed in still water to the speed of the stream is given as 14:3. The boat takes a total time in the ratio 18:12 to travel (d + 90)...
A boat goes 200 km with the current in 10 hours, and returns the same distance against the current in 20 hours. Find the speed of the boat in still water.
Speed of a boat in still water is 15 km/h while the speed of stream is ____ km/h. Total time taken by the boat to go 150 km upstream and 225 km downstre...
A boat can cover 72 km in still water and 60 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 60 km upstre...
A boat takes 4 hours to travel 48 km downstream and 6 hours to travel 24 km upstream. What is the speed of the boat in still water?
A boat takes 7 hours to cover 259 km upstream and 9 hours to cover 477 km downstream. Find the time taken by the boat to cover 645 km upstream and 660 k...
Before rain a boat can cover 90 km in still water and the same distance upstream in 6 hours and 9 hours, respectively. Due to the rain the speed of the ...
The speed of a boat in still water is 200% higher than the speed of stream. If the boat takes 4 hours to cover 96 km downstream, find the time it will t...
(√3364+ √484) – √2916÷ √1296 × √36 ÷ √64 = ?
- A boat travels 160 km downstream in 8 hours. The difference between its downstream speed and upstream speed is 2 km/h. What is the ratio of the boat's spee...
