The sides of a triangle are in the ration ½: 1/3: 1/4 and its perimeter is 104 cm. The length of longest side is
A. 52 cm
B. 48 cm
C. 32 cm
D. 26 cm
ANS: B
EXPLANATION:
LCM of 2,3,4 = 12
Therefore ½:1/3:1/4 = 6/12:4/12:3/12 = 6:4:3
6x+4x+3x = 104
13x = 104
x = 8
Longest side = 6x=48
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