Rohan earns per month and donates th part of his salary in charity and Rachit earns per month and donates th part of his salary in charity. What is the total sum donated in charity by both of them?
Justification of answer:
Rohan's monthly salary
Salary donated in a charity of monthly salary
⇒Salary donated in a charity
Rachit's monthly salary
Salary donated in a charity of monthly salary
⇒Salary donated in a charity
Total donation in charity
Thus, option C is the correct answer