Question : What is the value of $y$ in the following equation?
$(1 \div 23) \text { of }[2\{3+4(35 \div 7)\}]=y$
Option 1: 23
Option 2: 5
Option 3: 2
Option 4: 21
Correct Answer: 2
Solution :
$(1 \div 23) \text { of }[2\{3+4(35 \div 7)\}]=y$
⇒ $y=(\frac{1}{23})\times[2\{3+4(\frac{35}{7})\}]$
⇒ $y=(\frac{1}{23})\times[2\{3+4(5)\}]$
⇒ $y=(\frac{1}{23})\times[2\{3+20\}]$
⇒ $y=(\frac{1}{23})\times[2(23)]$
$\therefore y=2$
Hence, the correct answer is 2.
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