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24 workers working 13 hours daily make a wall of dimensions 224 m × 16 m× x 52 m in 32 days. In how many days will 36 workers working 18 hours daily make a wall of dimensions 432 m × 21 m ×64 m ?
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Explanation:
workers hours length width height days
24 13 224 16 15 32
36 18 432 21 64 x
∴
∴ 36×18×224×16×52×x
= 24×13×432×21×64×32
=> x = 24×13×432×21×64×32\36×18×224×15×52
= 48 days