Level 3
Mrs Goh was preparing some orange syrup concentration for her friends. The amount of orange syrup initially used was 37 of the amount of water used. To make it more diluted, she decided to add 1100 mℓ more water into the syrup drink such that 15 of the concentration was syrup. How much syrup did she use?
Level 3
A bookcase has 5 shelves. The first three shelves are 460 cm long each. The next two shelves have a total length of 2 m 45 cm. Find the total length of the 5 shelves. (Give the answer in metres and centimetres.)
Level 3
There were 428 girls and 125 more boys than girls in a hall. Later, 40 girls and 30 boys left the hall. How many more boys than girls were there in the end?
Level 3 PSLE
A small circle with centre O has been cut from a circular piece of cardboard with the same centre. The radius of the small circle is 8 cm.
The remaining cardboard is then cut into four equal parts along the dotted lines as shown in Figure 1. The four parts are rearranged to form a new shape in Figure 2.
Find the area of the new shape.
Find the perimeter of the new shape. (Take π = 3.14)
Level 3 PSLE
A small circle with centre O has been cut from a circular piece of cardboard with the same centre. The radius of the small circle is 8 cm.
The remaining cardboard is then cut into four equal parts along the dotted lines as shown in Figure 1. The four parts are rearranged to form a new shape in Figure 2.
Find the area of the new shape.
Find the perimeter of the new shape. (Take π = 3.14)
