How many labourers of double the efficiency are needed to build 3 such walls in 5 days ?

6 labourers can build a wall in 10 days. How many labourers of double the efficiency are needed to build 3 such walls in 5 days ?

  1. 36
  2. 18
  3. 20
  4. 16
Anurag Mishra Professor Asked on 19th April 2016 in Maths.
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  • 2 Answer(s)

    Answer: (1) 36 

    Anurag Mishra Professor Answered on 24th April 2016.
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    (6*10*1)/(5*2) = 6
    3 such walls = 6*3 = 18

    chillbillnill Default Answered on 12th December 2016.
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