Question
What is the chemical name of Vitamin D
?Solution
Calciferol is Vitamin D, which is a steroid hormone produced in the skin when exposed to ultraviolet light or obtained from dietary sources.Â
A boat travelled 8km upstream in 30 minutes and 6 km downstream in 15 minutes. Then in how long it will take to go 12 km in still water?
A boat can cover a distance of 210 km downstream with the current in 5 hours. It takes an additional 2.5 hours to return the same...
The ratio of speed of boat in upstream and in Stillwater is 1: 3 respectively. The boat takes a total of 10 hours to travel 300 kilometer in downstream ...
A boat can cover 170 km in downstream in 5 hours and 100 km in upstream in 10 hours. Find the speed of boat in still water.
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Motor boat covers a certain distance downstream in a river in 20 hours. It covers the same distance upstream in 30 hours. If the speed of the water is ...
A boat can cover 120 km in upstream in 4 hours and 144 km in downstream in 3 hours. Find the speed of the stream.
The speed of the stream is 12 km/h. Boat ‘A’ covers 120 km distance against the stream in 6 hours and boat ‘B’ covers 120 km distance against th...
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...
A boat makes a journey from point P to point Q and return back in 6 hr 40 min. One way it travels with the stream and on the return it travel against th...
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