Directions : The question is based on the pie chart given below.Constituents of Sunrays received in 1 minute.

Total sunrays received in 1 minute = 3600 units.
How many minutes of exposure to the sun in a day would be enough to ensure that the body receives enough amount of Vitamin D, given that the body requires 40 units of Vitamin D every day and that 30 units of Beta rays generate in 1 unit of Vitamin D?
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Directions : The question is based on the pie chart given below.Constituents of Sunrays received in 1 minute.?
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