A) 25%
B) 30%
C) 32%
D) 40%
Correct Answer: C
Solution :
Sol. [c] |
Let total salary = 100 |
Savings = 10% of 100 = 10 |
Expenditure = 90% of 100 = 90 |
Now new expenditure |
\[=90\times \frac{130}{100}\,=117\] |
New savings \[=10\times \frac{150}{100}\,=15\] |
New salary = 117 + 15 = 132 |
% increase in salary |
\[=\,\frac{132-100}{100}100\] |
\[=\frac{32}{100}\,\times 100\]=32% |
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