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
PSLE

Arnold walked from his home to the library, which is 1.2 km away, at an average speed of 80 m/min. How many minutes did Arnold take to walk from his home to the library?

1 m
Arnold walked from his home to the library, which is 1.2 km away, at an average speed of 80 m/min. How many minutes did Arnold take to walk from his home to the library?

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

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 the number of dresses sold by a shop from July to December in 2013.

- What was the average number of dresses sold per month from July to December in 2013?
- The total number of dresses sold for the same period from July to December in 2012 was 672. Find the percentage decrease in the total number of dresses sold for the same period from 2012 to 2013.

3 m

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
The average points accumulated by 6 children is 91.5. They have all attained different points which are whole numbers. The lowest point is 70 while the highest point is 100.

5 m
- Find the average points achieved by the 4 children whose marks lie between the highest and the lowest.
- Find the smallest possible second lowest mark among these 6 children.
- Find the largest possible second lowest mark among these 6 children.

The ratio of Henry's age to Mark's age is 9 : 5. Last year, their average age is 20. How old will Mark be in 5 years' time?

2 m
A train left for City Z at 07 00. The train stopped over at City S for half an hour before continuing its journey to City Z. It reached City Z at 13 45. If the average speed of the train was 350 km/h, what was the total distance covered by the train?

2 m