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If a +b+c=7//12,3a-4b+5c= 3//4 and 7a-11...

If `a +b+c=7//12,3a-4b+5c= 3//4` and `7a-11b- 13c= 7//12`, then what is the value of a+c?
यदि `a +b+c=7//12,3a-4b+5c= 3//4` तथा `7a-11b- 13c= 7//12` है, तो a+c का मान क्या है?

A

`1//2`

B

`5//12`

C

`3//4`

D

`1//4`

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