Question
$$\sqrt ? \times \sqrt {484} = 1034$$
Answer: Option B
$$\eqalign{
& {\text{Let}}, \cr
& \sqrt x \times \sqrt {484} = 1034 \cr
& {\text{Then}}, \cr
& \sqrt x \times 22 = 1034 \cr
& \Leftrightarrow \sqrt x = \frac{{1034}}{{22}} = 47 \cr
& \Leftrightarrow x = {\left( {47} \right)^2} \cr
& \Leftrightarrow x = 2209 \cr} $$
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$$\eqalign{
& {\text{Let}}, \cr
& \sqrt x \times \sqrt {484} = 1034 \cr
& {\text{Then}}, \cr
& \sqrt x \times 22 = 1034 \cr
& \Leftrightarrow \sqrt x = \frac{{1034}}{{22}} = 47 \cr
& \Leftrightarrow x = {\left( {47} \right)^2} \cr
& \Leftrightarrow x = 2209 \cr} $$
Was this answer helpful ?
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