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The number of planks of dimensions (5m × 25cm × 10cm) that can be placed in a pit which is 20 m long, 6 m wide and 80 cm deep is
  • a)
    960
  • b)
    840
  • c)
    764
  • d)
    768
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The number of planks of dimensions(5m × 25cm × 10cm)that can...
Dimensions of pit
L=20m B=6m H=80cm=0.8m
Dimensions of plank
l=5m b =25cm=0.25m h=10cm=0.1m
No. of planks which can be stored=Volume of pit/Volume of 1 plank
=LBH/lbh
=20*6*0.8/5.0.25*0.1
=96/0.125
=768
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The number of planks of dimensions(5m × 25cm × 10cm)that can be placed in a pit which is 20 m long, 6 m wide and 80 cm deep isa)960b)840c)764d)768Correct answer is option 'D'. Can you explain this answer?
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