The new salary of a person after increasing 10% is ₹ 1,54,000 then t

1.	The new salary of a person after increasing 10% is ₹ 1,54,000 then the old salary was ……………….. A) ₹ 1,70,001 B) ₹ 1,90,000C) ₹ 1,30,000 D) ₹ 1,40,000
Answer» Correct option is D) ₹ 1,40,000 Correct option is (D) ₹ 1,40,000 Let old salary of the person is Rs x. \(\therefore\) Salary after increasement of 10% = Rs (x + 10% of x) \(=Rs(x+\frac{10x}{100})=Rs(x+\frac{x}{10})\) \(=Rs\frac{11x}{10}\) \(\therefore\) \(\frac{11x}{10}\) = 154000 \((\because\) New salary is Rs 154000) x = 154000 \(\times\frac{10}{11}\) = 140000 Thus, the old salary of the man was Rs 1,40,000.

The new salary of a person after increasing 10% is ₹ 1,54,000 then the old salary was ……………….. A) ₹ 1,70,001 B) ₹ 1,90,000C) ₹ 1,30,000 D) ₹ 1,40,000

Answer»

Correct option is D) ₹ 1,40,000

Correct option is (D) ₹ 1,40,000

Let old salary of the person is Rs x.

\(\therefore\) Salary after increasement of 10% = Rs (x + 10% of x)

\(=Rs(x+\frac{10x}{100})=Rs(x+\frac{x}{10})\)

\(=Rs\frac{11x}{10}\)

\(\therefore\) \(\frac{11x}{10}\) = 154000 \((\because\) New salary is Rs 154000)

x = 154000 \(\times\frac{10}{11}\) = 140000

Thus, the old salary of the man was Rs 1,40,000.