#1. Two buses start from a bus terminal with a speed of 20 km/h at interval of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at interval of 8 minutes? A. 3 km/h B. 4 km/h C. 5 km/h D. […]
Author Archives: Asraful Alom
#1. A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is: A. 45 : 56 B. 45 : 51 C. 47 : 56 D. 47 : 51 #2. By selling a bicycle for […]