question_answer

A man got 10% increase in his salary. If his new salary is Rs. 1, 54,000, find his original salary.

Answer:

New salary is Rs. 154,000 after increase 10%

Let       suppose that original salary = Rs x

Then increasing value of 10% = 10% of x

Increase value of 10% \[=\frac{10}{100}\times x=\frac{x}{10}\]

New increase salary = Increase value of 10% + Original salary

\[154000\text{ }=\frac{x}{10}+x\]

\[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,154000\text{ }=\frac{11x}{10}\]

\[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\frac{154000\times 10}{11}\text{ }=x\]

\[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,x=1,40,000\]

The original salary = Rs.1, 40,000