NIFT UG 2014 Question Paper with solutions

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Question : 71 of 150

Marks: +1, -0

The L.C.M. of

1/3,5/6,2/9,4/27

is

$1/54$
$10/27$
$20/3$
$10/3$

Solution:

The L.C.M. of

1/3,5/6,2/9,4/27

=\;\;{{\LCM}\;\text"of"\;1,5,2\;\text"and"\;4}/{{\HCF}\;\text"of"\;3,6,9\;\text"and"\;27}=\;\;{20}/{3}

[∵\text "LCM of Fraction" =\text "LCM of Numerator"/\text "HCF of Denominator"]

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