Level 3
Serena used 25 of the flour and an additional 50 g to bake some cake. She used 14 of the remaining flour and an additional 24 g to bake some muffins. Given that Serena was left with 168 g of flour, how much flour did she have at first?
4 m
Level 3
In a class, 14 of the students and an additional 3 boys like basketball. 13 of the remaining students in the class less 3 students like badminton and the rest of the 25 students in the class like rugby. How many students are there in the class?
4 m
Level 3
A train left the city with some passengers. At the first station, 15 of the passengers alighted and 16 boarded the train. At the second train station, 13 of the passengers alighted and 17 boarded the train. All 33 passengers alighted from the train at the final train station. How many passengers were there in the train when it left the city?
5 m
Level 3
Ruth, Queenie and Cathy were playing with beads. Ruth started with 72 beads and then she gained 13 more beads from Queenie. In the second game, Ruth lost 38 of her original number of beads to Cathy. Queenie lost as many beads as Ruth to Cathy. In the final game, Ruth gained 12 of her original number of beads from Queenie. All of them ended up with the same number of beads.
  1. How many beads did Ruth have in the end?
  2. How many beads did Queenie have at first?
5 m
Level 3
Three girls, Isabelle, Zoe and Diana had a total of 1680 marbles. Some exchanges were made. First, Isabelle gave Zoe as many marbles as Zoe had. After that, Zoe gave 34 of whatever she had then to Diana. Finally, Diana gave 27 of whatever she had to Isabelle. As a result, they each had the same number of marbles. How many marbles did Isabelle have at first?
5 m