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# GATE Mechanical 1989 Question

Two cubical castings of the same metal and sizes of $2cm$ side and $4cm$ side are moulded in green sand. If the smaller casting solidifies in $2mins,$ the expected time of solidifications of larger casting will be
A
$16$ $min$
B
$2\sqrt 8$ min
C
$8$ min
D
$4$ min

# GATE Mechanical 1992 Question

Only $4$ pairs can be matched :