Questions

From Worst to Best

161 P5.VO.JM.17083124

Level 3
The length of Cube X is 3 times that of the length of Cube Y. The volume of Cube Y is 64 cm³. Find the difference between the volume of the two cubes.

3 m

Attempt

162 P6.AG.JC.17080465

Level 3
Abel has b coins. Bobby has three times as many coins as Abel but 8 coins fewer than Jason.

How many coins do they have altogether? (Express your answer in terms of b).
If b = 9, how many stamps do the three boys have altogether?

3 m

Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution More than or less than Times as many

163 P6.AG.JC.17080466

Level 3
Lina and Wendy went shopping. After Lina spent $85j, Wendy had 5 times as much as Lina. If Lina had $21j more than Wendy at first,

Express the amount of money that Lina had at first in terms of j.
If j = 10, find the amount of money that the two ladies had left after shopping.

3 m

Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution More than or less than Times as many Units method

164 P6.VO.NK.17053183

Level 3 PSLE
A and B are two rectangular tanks. The base area of A is 80 cm² while that of B is 50 cm² . At first, A contained water to a height of 40 cm and B was empty, as shown.

What was the volume of the water in A at first?
Rashid then poured some water from A to B. After that, the height of the water level in A was twice that in B. What was the new height of the water level in A? Round off the answer to 1 decimal place.

3 m

Attempt

Volume of cuboid Base area x height Volume transfer Volume common height D Round off Times as many

165 P5.RD.NK.23021727

Level
In a stationery kiosk, a box of markers costs thrice as much as a guidebook. Mrs Yong spent ¹₄ of her money to buy 2 boxes of markers. She then spent ⁴₇ of her remaining money to buy some guidebooks and had $21.60 left. How much does each guidebook cost?

4 m

Attempt