Solution
The pattern followed is :
73 + 46 = $$3[(7-3)+(4+6)]=3\times14=42$$
and 95 + 87 = $$3[(9-5)+(8+7)]=3\times19=57$$
Similarly, 62 + 80 = $$3[(6-2)+(8+0)]=3\times12=36$$
=> Ans - (D)
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