Combined 2 BANK (Ansar-VDP Unnayan Bank& BHBFC) Officer Written Math
Exam Date: 26-10-2018
Question-1: Machine X can print one lakh books in 8 hours, machine Y can print the same number of books in 10 hours while machine Z can print them in 12 hours. All the machines are started at 9 A.M. while machine X is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work be done?
Question-2: Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. How many hours will take C alone to fill the tank?
Question-3: A man went downstream for 28 km in a motor boat and immediately returned. It took the man twice as long to make the return trip. If the speed of the river flow were twice as high, the trip downstream and back would take 672 minutes. Find the speed of the boat in still water and the speed of the river flow.
Question-4: Rahim has 30 marbles, 18 red & 12 blue marbles. Karim has 20 marbles. The ratio of red & blue marbles is equal to Rahim marbles. How many more blue marbles Rahim has?
Question-5: A train travelling at 20 m/s completely crosses another train having 192 meters length travelling in same direction at 15 m/s in 1.5 minutes. In what time will they cross each other travelling in opposite direction and length of the faster train is?