how wud u calculate number of bald people in delhi ( rough, estimate, suppose the population of delhi in 2cr

kindly help me

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According to Wikipedia in link http://en.wikipedia.org/wiki/Baldness

You can see that it is wrriten Approximately 25 percent of men begin balding by age 30; two-thirds begin balding by age 60.

So considering 50 percent of people upto age 30 and 50 percent upto age from 30 to 60. then

(1/4 * 1 crore) + (2/3 * 1 crore)= 25 lakhs + 66.66 lakhs

=91.66 lakhs(approx) in 2 crore are bald.

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