What will come in the place of the question mark(?) in the following questions?
Let the number to replace the question mark be $$X$$
So, $$3978+112\times2 = X \div2$$
Or, $$3978 + 224 = X \div 2$$
Or, $$4202 = X \div 2$$
Or, $$X = 4202 \times 2 = 8404$$
Hence, the correct option is option (d)
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