Question : The following pie chart represents the break-up of Piyush's monthly expenses.
If Piyush spent INR 3,780 more on education than he spent on housing, then find his monthly expenses (in INR).
Option 1: 7,560
Option 2: 18,900
Option 3: 37,800
Option 4: 12,600
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Correct Answer: 37,800
Solution :
Let the monthly expenses of Piyush be INR $x$.
Money spent on Housing $=20\%\text{ of }x=0.2x$
Money spent on Education $=30\%\text{ of }x=0.3x$
According to the question,
$0.3x=0.2x+3780$
⇒ $0.1x=3780$
⇒ $x=37800$
Hence, the correct answer is 37,800.
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