What approximate value will come in place of the question mark (?) in the given questions ? (You are not expected to calculate the exact value)
$$820.01 - 21 \times 32.99 + ? = 240$$
Let the unknown term be $$x$$
Approximation of decimal values to the nearest whole number gives an answer close to the actual answer.
$$820 - 21 \times 33 + x = 240$$
$$820-693 +x = 240$$
$$127+x = 240$$
$$x=113$$
Option C is the correct answer
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