MCQ Practice Math 📖 X and Y start a business by investing a certain amount in the ratio 9: 16 . Both of them invest for an equal period of time... Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in SBL JBL BKB BDBL Officer Question Bank 2019 Question 27