Correct Answer - Option 1 : Rs. 36750
Given:
Salary Rs. 4 lakh per annum and Increment of 5% per annum
Formula used:
Percentage = (Part value/Whole value) × 100
Calculation:
The salary of Arun after 1st year
⇒ 400000 × (105/100) = Rs. 420000
The salary of Arun after 2nd year
⇒ 420000 × (105/100) = Rs. 441000
Arun's monthly salary
⇒ 441000/12 = Rs. 36750
∴ The monthly salary of Arun is Rs. 36750.