Question:

Farmer Nick has 4 rabbits. The mass of Rabbit G is the same as the average mass of the 4 rabbits. Rabbit H weighs 5 kg less than the average mass of the 4 rabbits. The mass of Rabbit I is 7 kg more than the average mass of the 4 rabbits. The mass of Rabbit J is 34 kg. Find the total mass of the 4 rabbits.

3 m
The line graph shows Kenneth's mass from birth to his first birthday. At what age was Kenneth's mass 3 times his mass at birth? _____ months

1 m

The graph shows the mass of a cup when empty and when different combinations of objects A, Band C are placed in the cup.

- What is the mass of the empty cup?
- What is the average mass of the objects A, Band C?

2 m

The table shows the postage charges for sending letters to Malaysia. Victoria posted a letter with a mass of 89 g. How much did she pay for the postage?

2 m

Fill in the blanks.

The mass of Bryan is^{3}_{5} more than the mass of Adam.

2 m
The mass of Bryan is

- Bryan's mass = _____ u
- Adam's mass =_____ u
- Total mass of Bryan and Adam = _____ u
- Difference between the mass of Bryan and Adam = _____ u

Fill in the blanks.

The mass of Bryan is^{3}_{5} less than the mass of Adam.

2 m
The mass of Bryan is

- Adam's mass = _____ u
- Bryan's mass =_____ u
- Total mass of Adam and Bryan = _____ u
- Difference between the mass of Bryan and Adam = _____ u

Four children made the following statements.
Winnie : The average of Yoko's mass and my mass is 39 kg.
Xtra : I am the heaviest.
Yoko : Zane is 2 kg lighter than Xtra.
Zane : Our masses are in consecutive order (In running sequence).
What is the total mass of Winnie, Xtra and Yoko ?

3 m
The mass of 4 children, Mandy, Nellie, Peter and Richie were taken. Only 3 children can be weighed at one time. Mandy, Nellie and Peter weighed a total of 55 kg. Nellie, Peter and Richie weighed a total of 56 kg Mandy, Peter and Richie weighed a total of 57 kg. Mandy, Nellie, and Richie weighed a total of 60 kg. What is the average mass of the 4 children?

3 m
Box X is half as heavy as Box Y. Box Z is 3 times as heavy as Boxes X and Y together. What is the mass of Box Z if Box Y is n kg?

2 m
The average mass of Lynn and Joan is 18p kg. If Joan is 4p kg lighter than Lynn, find Lynn's mass in kg.

2 m
TRY FOR FREE

Find the following values without a calculator.

2 m
- 2 kg = _____ g
- 3.4 kg = _____ g
- ______ g = 7.5 kg
- ______ kg = 2000 g

Find the following values without a calculator.

2 m
- 1007 mℓ = 1 ℓ _____ mℓ
- 2067 mℓ = 2 ℓ _____ mℓ
- 1 ℓ 3 mℓ = _____ ℓ
- 12 ℓ 45 mℓ = _____ mℓ

Tom has a mass of 8r kg. John is 4 kg heavier than Tom.
The mass of May is twice the total mass of the Tom and John.

2 m
- Find the total mass of the 3 children in terms of r.
- If r = 2, find the average mass of the 3 children.

Gary weighs x kg while Jim weighs 2y kg.

2 m
- Find the average mass of each boy in terms of x and y.
- If x = 47 and y = 19, find the average mass of each boy.

Find the following values without a calculator.

2 m
- Express 100 mℓ as a percentage of 2 ℓ.
- Express 2000 mℓ as a percentage of 1 ℓ.
- Express 30 min as a percentage of 2 hours.
- Express 2 min as a percentage of 30 seconds.

Find the following values without a calculator.

2 m
- 1
^{2}_{5}h = _____ min - 2
^{3}_{4}m = _____ m (Give the answer in fraction.) - 8
^{1}_{4}m = _____ km - 7
^{3}_{8}kg = _____ g

TRY FOR FREE

A store owner had 505 kg of fresh honeydews. The honeydews contained 60% water when fresh. One week later, there was only 50% water left in the honeydews. What was the mass of the honeydews one week later?

2 m
A tank, which is 10 cm long, 6 cm wide and 5 cm deep, holds 120 g of salt. If 6 kg of the same salt is packed into a tin with a 20-cm square base, how tall must the tin be?

3 m
The total mass of Cindy, Jen and Marvin is 15p kg. Cindy has a mass of 5p kg. Jen is 2 kg heavier than Cindy.

3 m
- What is Marvin's mass in terms of p?
- If p = 10, what is Marvin's mass?

28 kg of watermelons are sorted into 3 sizes; large, medium and small. The ratio by mass of the large to medium to small watermelons is 10 : 3 : 1. There are ^{4}_{5} as many large watermelons as medium watermelons. There are ^{3}_{4} as many small watermelons as large watermelons. There are 10 large watermelons per kilogram. Find the total number of small and medium watermelons.

4 m