Level 1
Find the value of 28 + 240 ÷ (3 x 4) - (15 - 5).
2 m
Level 3
A tank measuring 30 cm by 24 cm by 20 cm was being filled by two taps. Tap X delivered water at a rate of 140 cm3 per minute while Tap Y delivered water at a rate of 100 cm3 per minute. How long did the 2 taps take to fill the tank completely? Express your answer in min.
3 m
Level 3
At first, Beaker A and Beaker B contained 0.6 ℓ and 1.6 ℓ of water respectively. Some water from Beaker B was poured into Beaker A with no water spilling over. In the end, there was as much water in Beaker A as in Beaker B. How much water was poured from Beaker B to Beaker A?
3 m
Level 1
What is the value of 72 ÷ ( 28 - 4 x 5) + 6 + 8 x 4?
2 m
Level 1
In the figure, what is the value of ∠t?
2 m
Level 2
86 x 18 - 27 ÷ 4
= (a) _______ x  14
= (b) _______
2 m
Level 1
4 x (5 - 3 + 6) ÷ 2 = ____
2 m
Level 1
In the figure, what is the sum of ∠x and ∠y?
2 m
Level 2
The ratio of Adam's money to Bryan's money is 4 : 3.
The ratio of Bryan's money to Chris' money is 2 : 1.
The total amount that they have is $510.
How much more money does Adam have than Chris?
3 m
Level 1
80 ÷ (14 ÷ 2 + 1) - 3 = _____
2 m