Directions (Set of 5 questions): What approximate value should come in place of the question marks(?) in the following questions? (Note : you are not expected to calculate the exact value.)
$194.16~\times 49.88+{{32.9}^{2}}=~?~+1214.68$
Solution
$194.16~\times 49.88+{{32.9}^{2}}=~?~+1214.68$
$?~\approx 194~\times 50+{{32}^{2}}-~1215~$
$?=9700+1024-1215$
$?=10724-1215$
$?=9509$