If A:B = 2:3 , B:C = 4:5 and C:D= 6:7, then A:B:C:D is? (a) (b) (c) (d)
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Given that a:b = 2:3, b:c = 4:5, c:d= 6:7
Taking lcm of 5,6
3^1×2^1×5^1=3×4×5=30
Therefore, b:c= 4:5 = 24: 30
a:b = 2:3 = 16: 24
c:d = 6:7 = 30: 35
Therefore,
a:b:c:d = 16:24:30:35
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