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.
5 m
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 at the end?
2. How many beads did Queenie have at first?
5 m
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 27of 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
PSLE
Wesley had 11 jars of balls. At first, each of the jars contained the same number of balls. He took out 24 marbles from each jar. After that, the total number of balls left in the 11 jars was equal to the total number of balls in 3 of the jars at first. What was the number of balls in each jar at first?
3 m
Violet had 6 times as many erasers as Jane at first. After Violet gave 40 erasers to Jane, they each had the same number of erasers in the end. How many erasers did Violet have at first?
3 m
A jar contains $2 and$5 notes with a total value of $518. 4 pieces of$5 were exchanged for $2 notes of similar value. In the end, the number of$2 notes was the same as the $5 notes. How many$5 notes were there at first?
3 m
Sean and Cathy had some salary each. If Cathy gives Sean $49, Sean would have 3 times as much salary as Cathy. If Sean gives Cathy$20, he will have the same amount of salary as her. How much salary did Sean and Cathy have respectively?
3 m