Question : $a$% of $b$ + $b$% of $a$ = ?
Option 1: $2a$% of $b$
Option 2: $2a$% of $2b$
Option 3: $2a$% of $2a$
Option 4: $2b$% of $2b$
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Correct Answer: $2a$% of $b$
Solution :
$a$% of $b$ + $b$% of $a$
= ($\frac{a}{100}$ × $b$) + ($\frac{b}{100}$ × $a$)
= $\frac{ab}{100}$ + $\frac{ab}{100}$
= $\frac{2ab}{100}$
= $\frac{2a}{100}×b$
= $2a$% of $b$
Hence, the correct answer is $2a$% of $b$.
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