If A: B = 2: 3,B: C = 4: 5,and C: D = 6: 7,th | vedclass

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(C) Given ratios are $A: B = 2: 3$,$B: C = 4: 5$,and $C: D = 6: 7$.To find $A: B: C: D$,we equate the common terms.First,find $A: B: C$ by making $B$

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$16: 24: 30: 35$

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(C) Given ratios are $A: B = 2: 3$,$B: C = 4: 5$,and $C: D = 6: 7$.To find $A: B: C: D$,we equate the common terms.First,find $A: B: C$ by making $B$ common:$A: B = 2: 3 = (2 	imes 4) : (3 	imes 4) = 8: 12$$B: C = 4: 5 = (4 	imes 3) : (5 	imes 3) = 12: 15$So,$A: B: C = 8: 12: 15$.Now,include $D$ using $C: D = 6: 7$:To equate $C$,we find the $LCM$ of $15$ and $6$,which is $30$.$A: B: C = (8 	imes 2) : (12 	imes 2) : (15 	imes 2) = 16: 24: 30$$C: D = (6 	imes 5) : (7 	imes 5) = 30: 35$Combining these,we get $A: B: C: D = 16: 24: 30: 35$.

If $A: B = 2: 3$,$B: C = 4: 5$,and $C: D = 6: 7$,then $A: B: C: D$ is

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