Abbreviations used: eg P3, U1.1, Q1 refer to Conquer Problem Sums for Primary 3, unit 1.1, question 1.
P5, U2.4, Q3
In a school hall, there were 65 lesser boys than girls. After 2/5 of the boys and 3/7 of the girls left the hall for recess, the number of boys and girls that remained inside the hall was equal. Find the total number of pupils remaining in the hall in the end.
P5, U2.4, Q6
Roy and Dennis shared a sum of money totaling $340. After Roy spent 2/3 of his money and Dennis spent 1/4 of his money, Dennis had twice as much money as Roy. Find the amount of money Dennis had in the end.
P5, U9.7, Q3
At the school hall, there were 510 lesser boys than girls. After 60% of the boys and 90% of the girls left the hall for recess, there was an equal number of boys and girls that remained inside the hall. Find the total number of pupils remaining in the hall in the end.
P5, U9.7, Q5
Mrs Goh baked a total of 350 cheese and chocolate muffins cookies. After giving away 80% of the chocolate muffins and 75%of the cheese muffins, she was left with twice as many chocolate muffins as cheese muffins. Find the number of chocolate muffins that Mrs Goh gave away.
