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What is the correct answer?
4
Find the greatest possible length which can be used to measure exactly the lengths 4 m 95 cm, 9 m and 16 m 65 cm.
A.
48 cm
B.
55 cm
C.
45 cm
D.
50 cm
Correct Answer :
C. 45 cm
$Requiredlength=H.C.F.of495cm,900cmand1665cm.\phantom{\rule{0ex}{0ex}}495=32x5x11,900=22x32x52,1665=32x5x37.\phantom{\rule{0ex}{0ex}}H.C.F.=32x5=45.\phantom{\rule{0ex}{0ex}}Hence,requiredlength=45cm.$
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