Level 3
The average cost of some books is $30.
When a book that costs $90 is removed,
the average cost of the books becomes $10.
How many books are there in the end?
Level 2 PSLE
3 children rented 2 computers from 4.15 p.m. to 5.00 p.m. and took turns to play games on them. At any time, 2 of them played on the computers while the other child watched. If each of them had the same amount of playing time, how many minutes did each child get?
Level 2 PSLE
A dancing club has 100 male and 50 female members. 10% of the male members and 40% of the female members are students. What percentage of the members are students?
Level 2
The ratio of coconuts to mangosteens is 2 : 7. If 348 mangosteens are added, the ratio of coconuts to mangosteens will be 2 : 11. How many more mangosteens than coconuts are there in the end?
Level 2 PSLE
Andy and Ben shared the total cost of a present. Andy paid $15 more than 38 of the cost of the present. Ben paid $25. How much did the present cost?
Level 3
The average cost of some books is $30.
If 3 of the books are now each $15 more,
the average cost of the books becomes $35.
How many books are there altogether?
Level 2 PSLE
Pauline answered 40 questions in a quiz. She took 3 min for each of the first 10 questions and twice as long for each of the remaining questions. The quiz started at 1.45 p.m. At what time did she complete the quiz?
Level 2 PSLE
In Figure 1, the total perimeter of 4 rectangles X and square Y is 152 cm. They are joined to form a large square in Figure 2 which has a perimeter of 56 cm. Find the length of one side of square Y.
Level 2 PSLE
In Figure 1, the total perimeter of 4 rectangles X and square Y is 152 cm. They are joined to form a large square in Figure 2 which has a perimeter of 56 cm. Find the length of one side of square Y.