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If a-b:b-c:c-d=1:2:3, then what is the v...

If `a-b:b-c:c-d=1:2:3`, then what is the value of `(a + d): c`?

A

`1:2`

B

`2:1`

C

`4:1`

D

`3:1`

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The correct Answer is:
A
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KIRAN PUBLICATION-RATIO AND PROPORTION -TYPE-III
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