self Maths Puzzle

a bag contains 4 white balls, 5 red balls, 6 black balls. what is the probability dat v select 3 red balls from the bag ?

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self Other Question

A man points a lady and told “her only brother’s son is the brother of my wife”. What way the man related to the lady? In a village dere are 8000 people.6% men and 10% women were added. den the population becomes 8600. what is the total no. of men present in village?