T

Tina Singh • 11.19K Points
Tutor II Math

Q. Numbers of boys and girls are ‘x’ and ‘y’ respectively. Ages of a girl and a boy are ‘a’ years and ‘b’ years respectively. The average age (in years) of all boys and girls is

  • (A) x+y/bx+ay
  • (B) bx+ay/x+y
  • (C) ax+by/x+y
  • (D) x+y/ax+by
  • Correct Answer - Option(C)
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  • Filed under category Math

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