a:b=2:3 and b:c=4:5=4*3/4:5*3/4=3:15/4c:d=6:7=6*15/24:7*15/24=15/4:35/8a:b:c:d=2:3:15/4:35/8=16:24:30:35
Aptitude
Topic: Ratios and Proportions
If a:b=2:3 b:c=4:5, c:d=6:7 then a:b:c:d is
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