MCQ Practice Math 📖 The ratio of the present age of father to that of son is 7 : 2 after 10 years their ages will be in the ratio of 9 : 4 . ... 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 JBL RBL Officer Question Bank 2019 Question 53 PreviousA and B go cycling in the same direction with speeds of 6 km /hr and 12 km/hr. A car from behind passes them in 9 and 10 ... NextA right angled triangle , whose perpendicular sides measure 1.8 cm and 2.4 cm ,is inscribed in a circle. What is the circu...