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What is the correct answer?
4
Find the volume and surface area of a cuboid 16 m long, 14 m broad and 7 m high.
A.
345 cm
^{2}
B.
868 cm
^{2}
C.
876 cm
^{2}
D.
678 cm
^{2}
Correct Answer :
B. 868 cm
^{2}
$Volume=(16x14x7){m}^{3}=1568{m}^{3}\phantom{\rule{0ex}{0ex}}Surfacearea=[2(16x14+14x7+16x7\left)\right]cm2=(2x434)cm2=868cm2.$
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