Questions

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61 P6.VO.NK.17053179

Level 3
Figure 1 shows a closed rectangular tank of dimensions 40 cm by 40 cm by 80 cm with a cube of edge 20 cm glued to its bottom left corner. The tank contains 70 litres of water. Figure 2 shows the same rectangular tank lying on its side. Find the height of the water level, in centimetres, corrected to 2 decimal places.

3 m

Attempt

Volume of cuboid Base area x height Height of cuboid D Place values D Round off Unit conversion

62 P6.DE.TL.16010151

Level 3
One avocado cost 4 times as much as one honeydew. Mrs Zhang bought 2 avocados and 4 honeydews for $15. How much would 20 avocados and 16 honeydews cost? Express the answers to 2 decimal places.

3 m

Attempt

D Place values D Round off Money Unit conversion Times as many Number x value Units method

63 P6.AG.JC.17080456

Level 2
A pen costs $z while a book costs 90¢ less than the pen.

What is the cost of 2 pens and 1 book? Express your answer in terms of p in its simplest form.
Abel wants to buy 2 pens and 1 book but is short of 30 cents. If the book costs $1.10, how much money does Alex have?

3 m

Attempt

Algebra in 1 variable Algebra simplifying Money Unit conversion More than or less than

64 P6.FR.JC.22031802

Level 2 PSLE
Mrs Lee had a bottle of oil. She used an equal amount of oil each day. At the end of the 5th day, she had 990 mℓ of oil left. At the end of the 7th day, she had half the bottle of oil left. How many litres of oil were there in the bottle at first?

2 m

Attempt

Fraction of a whole F Division Volume Unit conversion MRDL Units method

65 P6.VO.NK.17053039

Level 3
The figure shows an empty transparent tank made from three containers. The two containers A and B on top are in the form of cuboids which have square bases of side 6 cm and 4 cm as shown in the figure. The bottom container is in the form of a cube of side 14 cm. 3.42ℓ of water are poured into the empty vase. Find the height of the water level from the base of the vase. (1 litre = 1000 cm³)