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[" (d) "3.5],[" 2.If "a:b=c:d," then "(m...

[" (d) "3.5],[" 2.If "a:b=c:d," then "(ma+nc)/(mb+nd)" is equal "],[" to RRC Group 'D' Gorakhpur 27-10-2013"],[" (a) "m:n],[" (b) "na:mb],[" (c) "a:b],[" (d) "md:nc]

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