Level 2 PSLE
A box contained black balls and green balls. 40% of the balls were green. After some red balls were added to the box, 28% of the balls were green. What percentage of the balls in the box were red?
2 m
Level 2 PSLE
Figure 1 shows a rectangular tile with a perimeter of 28 cm. Figure 2 is formed using 5 such tiles. Find the perimeter of Figure 2.
2 m
Level 1 PSLE
Find the value of the following when w = 2.
1. 15 + 3w
2. w - 59
2 m
Level 1 PSLE
Find the value of each of the expressions when w = 5.
1. 7w + 6
2. 2w - w7
2 m
Level 1 PSLE
Find the value of 5a - 9 + 3a when a = 10.
2 m
Level 1
Jimmy and Kenny had $180 in all. Ken had$(12b + 6) more than Jim. How much did Jim have if b = 7?
2 m
Level 1 PSLE
Norman has a rope which is 60 cm long. He cuts it into three pieces. The lengths of the three pieces of rope are as shown. Find the value of k.
2 m
Level 1 PSLE
Abel, Ben and Cindy share $15z. Abel gets$z more than Ben and Cindy gets \$2z more than Ben. If z = 7, how much money does Ben get?
2 m
Level 2
Gary weighs x kg while Jim weighs 20 kg.
1. Find the average mass of each boy in terms of x .
2. If x = 30, find the average mass of each boy.
2 m
Level 2 PSLE
Cindy is y years old. Sarah is three times as old as Cindy and Sarah is 5 years older than Jim.
1. What is Jim's age in terms of y in years?
2. If Cindy is 13 years old, how many years older is Jim than Cindy in years?
2 m