Questions

From Worst to Best

146 P6.AG.JC.17080467

Level 3
Ali is b years old. Bill is four times as old as Ali and Calvin is 6 years younger than Bill.

Express Calvin's age in terms of b.
Ali is 10 years old as of now. ln how many years' time will Calvin be 3 times as old as Ali?

4 m

Attempt

147 P6.VO.NK.17080912

Level 3
³₁₀ of the tank is filled with water. Another 210 litres of water are needed to fill the tank to its brim.

What is the volume of the tank?
The Height of the tank is 60 cm and its length is 100 cm. Find the perimeter of its base.

4 m

Attempt

Volume of cuboid Fraction of a whole Unit conversion Units method

148 P6.PC.NK.21060211

Level 3 PSLE
The students of a test are divided equally into two groups. In the first group, there are 30 more boys than girls. In the second group, there are 12 more girls than boys. 40% of all the students are girls. How many students are boys?

4 m

Attempt

Percent of a set More than or less than Equal stage Units method

149 P6.AN.NK.17051712

Level 3
In the figure, not drawn to scale, ABCD is a trapezium and PQCR is a square. AB//CQ. The size of ∠DCR is ⁵₄ of ∠DCQ . Find ∠ADC.

3 m

Attempt

Square Trapezium Interior angles Fraction of a whole Units method

150 P6.AN.NK.17051737

Level 3
The figure is not drawn to scale. It has three parallel lines and two isosceles triangles. ∠x and ∠y are in the ratio of 3 : 5 respectively. Find ∠x + ∠y + ∠z.