Level 2
There were some children in a room. After 8 boys left the room and 15 girls entered the room, there were 51 children in the room. How many children were there in the room at first?
Level 2
A baker had some eggs to bake cakes. He broke 48 of the eggs and bought another 89 more. In the end, he had 365 eggs. How many eggs did he have at first?
Level 3
Mrs Tan had some sweets. She bought another 28 sweets. She gave 48 sweets each to her 3 children. In the end, she had 239 sweets left. How many sweets did Mrs Tan have at first?
Level 2
A bus with some passenger left a bus interchange and headed towards its first stop. At the first stop, 6 passengers got onto the bus and no passengers got off from it. At the second stop, 15 passengers got off from the bus and no passengers got onto it. There were 29 passengers in the bus after it left the second stop. Find the number of passengers in the bus when it left the bus interchange.
