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Sir pls solve the following.

Asked by rsudipto | 30 Dec, 2018, 08:51: PM
Expert Answer
Let the number of mens be x and the number of women be 100 - x.
Combined mean = 30
begin mathsize 16px style fraction numerator stack straight x subscript 1 with bar on top space straight n subscript 1 plus space stack straight x subscript 2 with bar on top space straight n subscript 2 over denominator space straight n subscript 1 plus straight n subscript 2 end fraction equals straight x with bar on top
straight x with bar on top space equals space 30
fraction numerator begin display style 32 straight x plus open parentheses space 100 minus straight x close parentheses space 27 end style over denominator begin display style 100 end style end fraction space equals space 30
Solving space this space we space get space straight x equals 60
The space number space of space mens space 40 percent sign space then space the space number space of space womens space 60 percent sign. end style
Answered by Sneha shidid | 31 Dec, 2018, 10:12: AM
JEE main - Maths
Asked by rsudipto | 30 Dec, 2018, 08:51: PM
ANSWERED BY EXPERT
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