Mathematics
NULL
Medium
Question
A covered wooden box has inner measures 115 cm, 75 cm and 35 cm and wood thickness 2.5 cm. The volume of the wood is ____________?
A
81000cu.cm
B
81775cu.cm
C
82125cu.cm
✓ Official correct answer
D
None of these
Community credibility
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A
81000cu.cm
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B
81775cu.cm
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C
82125cu.cm
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D
None of these
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Explanation
Outer = 120 × 80 × 40. Wood volume = 120×80×40 − 115×75×35 = 82,125 cm³.