Correct Answer: 21
Explanation:
Given:
Let original income = Rs. 100
After increase:
New expenditure = New income – New savings
Expenditure = 115 - 42.40 = Rs. 72.60
Old expenditure = Rs. 60
Increase in expenditure = 72.60 - 60 = 12.60
% Increase = (12.60 / 60) × 100 = 21%
Answer: 21%
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