Question
What is the living substance of a cell that surrounds
the cell membrane, nucleus, and cytoplasm called?Solution
Protoplasm is the living substance of a cell, encompassing the cytoplasm and nucleoplasm, and is responsible for the vital functions of the cell.
A man can row his boat with the stream at 42 km/h and against the stream in 7 km/hours. The man’s rate is
The speed of current is 29 km/hr. If the speed of the boat in still water had been 17 km/hr more than the original speed then it would take 6.2 hours to...
Megha got 38% of the maximum marks in an examination and failed by 6 marks. In the same examination Teena got 42% of the total marks which is 14 marks m...
A boat can cover 150 km in downstream in 15 hours and 120 km in upstream in 12 hours. Find the distance travelled by the boat in still water in 5 hours.
The speed of a boat in still water is 40% higher than the speed of the stream. The boat takes 4 hours to travel 96 km downstream. If the boat's speed in...
A boat can cover 40 km upstream and 60 km downstream in 13 hour. Also it can cover 50 km upstream and 72 km downstream in 16 hour. Find the speed of boa...
A boat can travel 24 km upstream and 30 km downstream in 4 hours. Find the speed of the boat in still water if the speed of the stream is 3 km/h.
A boat takes 28 hours for travelling downstream from point A to point B and coming back to point C midway between A and B. If the velocity of the stream...
- The boat's downstream and upstream speeds are 24 km/hr and 16 km/hr respectively. If the time taken to cover a distance of (x + y) km upstream with stream ...
A boat goes 52 km in upstream in 4 hours and takes 3 hours to complete a distance of 15 km in downstream. Find the speed of boat in still water.
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