Question
Which of the following is not a kingdom in the Linnaean
system of classification?Solution
Eubacteria is not kingdom in the Linnaean system of classification.Â
A boat travels 315 km downstream in 7 hours and 135 km upstream in 9 hours. Determine the total time the boat takes to cover 150 ...
A boat has a speed of 30 km/h in still water. When the boat travels downstream in a stream, its speed increases by 50% compared to when it moves upstre...
A boat can cover 170 km in downstream in 2 hours and 145 km in upstream in 5 hours. Find the speed of boat in still water.
A motor boat covers a certain distance downstream in a river in 4 hours. It covers the same distance upstream in 4 hours and 30 minutes. If the speed of...
A boat covers some distance downstream in 1 hour. It covers 3/2 hours. If the velocity of the stream is 3 kilometers per hour, then what will be the vel...
A boat takes 270 minutes to travel 90 km in upstream. The same boat in the same stream takes 120 minutes to travel 50 km in downstream. Find the distanc...
A boat takes 14 hours to travel downstream from point P to point Q and then return to point R, which is located halfway between P and Q. If the speed of...
The speed of a boat while moving upstream is 20% less than its speed in still water. The boat covers a distance of 348 km downstream in 7 hours and 15 m...
- The current age ratio of Aman and Arjun is 3:4, respectively. After 6 years, their ages will be in the ratio 4:5. What is Aman’s present age?
A boat can travel 72 km upstream and 108 km downstream in 5 hours. Find the speed of the boat in still water if the ratio of the ...
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