Elitmus
Exam
Numerical Ability
Area and Volume
A closed wooden box measures externally 10 cm long,8 cm broad andd 6 cm high.thickness of wood is 0.5 cm.find the volume of wood used.?
a)230 cubic cm b) 165 cubic cm
c) 330 cubic cm d) none of these
Read Solution (Total 3)
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- b. 165 cubic cm
vol of the wood used= {vol of the box externally}-{internal vol}
vol= 10*8*6 - 9*7*5
=165 cubic cm - 9 years agoHelpfull: Yes(39) No(0)
- outer vol - inner volume= 10*8*6 - 9*7*5= 480-315 = 165 ans b.
- 9 years agoHelpfull: Yes(4) No(0)
- none of these.
because of thickness 1cm will be deducted from all l,b & h.
so, volume=9*7*5=315 cubic cm
- 9 years agoHelpfull: Yes(0) No(19)
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