In a certain community ther are 1000 married couples. Two thirds of the husbands who are taller than their wives are also heavier and three quarters of the husbands who are heavier than their wives are also taller. if there are 120 wives who are taller and heavier than their husbands, how many husbands are taller and heavier than their wives?

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Kalif

  • Jul 17th, 2009
 

100 = 2/3 of Two thirds of the husbands who are taller than their wives are also heavier = 67 ( i.e 1000 = 2/3 = 667)
120 if there are 120 wives who are taller and heavier than their husbands.
667  if there are 120 wives who are taller and heavier than their husbands.
120  wives who are taller and heavier than their husbands.
Total = 787
Answer : 213 husbands are taller and heavier than their wives.

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