MCQ Practice Math 📖 A driver of an auto rickshaw sees a lorry m ahead of him .After 30 seconds the lorry 90 m behind. If the speed of the aut... 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 58 Next12 students working for 5 hours a day can solve a certain number of problems in 8 days. How many students are needed to...
