Question
Which type of organs are known as
homologous?Solution
Homologous organs share a common ancestry and similar structural features, although they may perform different functions. Examples include the limbs of humans and wings of birds, which share common structural elements.
A boat can travel 270 km downstream in 9 hours and 63 km upstream in 14 hours. Find the speed of the current.
A boatman takes 10 hours to travel 360 km downstream and 15 hours to cover the same distance upstream. How much time would it take for the boatman to tr...
A man can row upstream at 18 km/hr and downstream at 24 km/hr. Find the man’s rate in still water and the rate of the current.
...A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
A man row a boat 1 km in 5 min, along the stream and 6 km in 1hrs against the stream, The speed of the stream will beÂ
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Speed of boat in still water is 60% more than speed of current and total time takes by boat to cover certain distance going downstream and upstream is ...
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 time taken by the boat to cover (d+130) km distance in downstream is 1.9 hours less than the time taken by the same boat to cover (d-45) km distance...
The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 825 km downstream is 16.5 hours. Find t...
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