Level 3
Tom and Jerry had $160 altogether. Jerry gave ⁴₇ of his money to Tom. After that, Tom gave ³₅ of his money to Jerry. In the end, Tom had ¹₄ of the total sum of money. How much did Tom have at first?

Level 3
Eva, Sarah and Penny had 1188 marbles. Sarah won some of the marbles from Eva and as a result, Sarah's marbles increased by 20%. Penny then won some marbles from Sarah and Penny's marbles increased by 40%. Finally, Penny lost some of her marbles to Eva and Eva's marbles increased by 20%. In the end, they realised that they each had an equal number of marbles. How many percent less did Eva have in the end than what she had at first? Correct your answer to 1 decimal place.

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?

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?

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?

Level 2 PSLE
John used a calculator to divide a 4-digit number by 1-digit number. For the 1-digit number, he made a mistake by pressing 4 instead of 5. He obtained the incorrect answer of 270. What should be the correct answer?