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Start learning 50% faster. Sign in now(A) Iron: Required in chlorophyll biosynthesis. (B) Zinc: Involved in IAA (Indole Acetic Acid, a type of auxin) biosynthesis. (C) Boron: Important for pollen germination. (D) Manganese: Plays a critical role in the photolysis of water during photosynthesis.
The speed of a boat in still water is 50% more than the speed of the stream such that the boat takes 3 hours to cover 81 km downstream. If the speed of ...
A boat travels 48 km downstream in 4 hours and 24 km upstream in 6 hours. What is the speed of the boat in still water?
A boat’s speed against the stream is 66.67% less than its speed in still water. If it covers 180 km downstream in 4 hours, find the time (in minutes) ...
A boat running downstream covers a distance of 36 km in 6 hrs and covering the same distance upstream in 9 hrs. What is the speed of a boat in still water?
A boy can swim a certain distance downstream in 6 hours and return in 7 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
Arjun covers a distance of 96 km downstream and then returns the same distance upstream, completing the entire journey in 7 hours. Given that the speed ...
A boat can travel 26 km downstream in 30 min. The ratio of the speed of the boat in still water to the speed of the stream is 8: 5. How much time will t...
A boat traveled 100 km downstream. The boat's speed in still water is 30 km/h, and the stream's speed is 10 km/h. Calculate the time required for the bo...
The speed of boat downstream and upstream is 30 km/hr and 20 km/hr respectively. Time taken to travel a distance of (a + 50) km downstream and (b + 25) ...
Speed of a boat in still water to speed of boat in upstream is 12: 7. If the boat can travel 425 km in downstream in 5 hours, then find the time taken b...
