Abbreviations used: eg P3, U1.1, Q1 refer to Conquer Problem Sums for Primary 3, unit 1.1, question 1.
P3, U4.5, Q2
Frankie and Betty had an equal amount of money. After Betty received twice the amount of money that she had at first and Frankie spent $4, Betty had 5 times as much as Frankie. How much money did Frankie have at first?
P3, U4.5, Q4
Mrs Tan and Mrs Lim had an equal number of pies at first. After Mrs Tan bought another 12 pies and Mrs Lim gave away 4 pies, Mrs Tan had twice as many pies as Mrs Lim. How many pies did each of them have at first?
P5, U3.7, Q6
The ratio of Daryl's cards to Bernard's cards was 2:3. After Daryl bought another 10 cards and Bernard lost 5 cards, the ratio became 6:7. Find the number of stickers Daryl had at first.
P5, U9.12, Q2
At first, Elias had 45% as many stickers as Ramesh. After Elias bought another 39 stickers and Ramesh bought another 20 stickers, Elias now has 75% as many stickers as Ramesh. Find the number of stickers that Elias had at first.
P5, U9.12, Q5
A farmer had 5/8 as many chickens as ducks at first. After selling 50 chickens and 8 ducks, he had 25% as many chickens as ducks. How many ducks did the farmer have at first?
