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.
Level 3
Some passengers boarded the van at the interchange. At the first stop, 3 passengers alighted and 5 passengers boarded the van. At the second stop, 2 passengers alighted and another 4 passengers boarded the van. In the end, there were 10 passengers on the van. How many passengers boarded the van at the interchange at first?
Level 3
Jake started with some balls at the beginning of a game. At the end of the first round of the game, he lost 5 balls to his friend Bill but won 7 balls from his friend Eric. At the end of the second round, he lost 5 balls to Eric but won 6 balls from Bill. In the end, Jake had 20 balls. How many balls did Jake have at first before the start of the game?
Level 3
A bus had some passengers at the beginning. After 10 passengers alighted from the bus and another 46 passengers boarded the bus, there were two times as many passengers as before. How many passengers were there on the bus at first?
Level 3
Merlin has some money to buy some markers. He will have $3 if he buys 4 markers. However, he will need $2 more if he wants to buy 5 markers. How much money does each marker cost?
Level 3
Mr Kim wanted to buy some rice. He will have $12 left if he buys 3 kg of rice. However, he will need $4 more to buy 4 kg of rice. What is the cost of 1 kg of rice?
Level 2
The mass of a box and one bag of potatoes is 1280 g. The mass of the same box and 2 similar bags of potatoes is 2040 g. What is the mass of a bag of potatoes?
