M

Madan • 7.44K Points
Tutor III Math

Q. If 2 men or 3 women or 4 boys can do a piece of work in 52 days. Then the same piece of work will be done by 1 man, 1 woman and 1 boy in ?

  • (A) 48 days
  • (B) 36 days
  • (C) 45 days
  • (D) none of these
  • Correct Answer - Option(A)
  • Views: 361
  • Filed under category Math
Explanation by: Madan
Work done by 2 men = 3 woman = 4 boys
∴ 1 man = 2 boys
1 woman = 4/3 boys
∴ boys X days = 4 X 52 (boys - days)
Again 1 man + 1 woman + 1 boy = 2 + 4/3 + 1 = 13/3 boys
B1 x D1 = B2 x D2 B = boys, D = days
4 X 52 = 13/3 x D2
D2 = 48 days

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