Question
In how many ways, a committee of 6 members be selected
from 7 men and 5 women, consisting of 4 men and 2 women?Solution
men                    women 7                         54                           2Total ways =7C4 ×5C2= [(7×6×5)/ (3×2)] ×(5×4)/2=35×10=350ways.
A pond of water appears less deep due to –
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Parsec is the unit of
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(ii) Steam engin...
What happens to the electrostatic force between two charges when the distance between them decreases?Â
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