Mixed Numeracy OLNA

At birth Jack weighed 3100 grams.

It is estimated that over the next 12 months, his weight will increase threefold. What will his weight be on his first birthday?

• 3.112 kilograms

• 3.3 kilograms

• 9.3 kilograms

• 0.93 kilograms

• 42 centimetres

• 36 centimetres

• 7 centimetres

• 6 centimetres

Joseph wants to buy a pair of runners.

He visits five stores and notes the prices on offer for the same style of shoe. 

The prices are listed as: $59, $58, $58, $64 and $66.

What is the median shoe price?

• $7

• $58

• $59

• $64

A nanosecond is one billionth of a second. Which of the following is a nanosecond?

• 1/1 000 000

• 1/10 000 000

• 1/100 000 000

• 1/1 000 000 000

This pie chart shows the consumption of frozen fruit by Australians.

Which statement is false?

•  Cherries are more popular than any other frozen fruit.

• The shaded section that represents apples has a size close to 90 degrees.

• Cherries are more popular than Peaches and Apricots combined.

• 13% of the pie graph is taken up by other fruit.

A car’s petrol tank is three-quarters full.

The motorist topped up the tank by adding 12 litres.

How many litres does the tank hold when full?

• 24 litres

• 36 litres

• 48 litres

• 60 litres

A wheat silo receives grain at a rate of 15 tonnes per minute.

How long will it take the silo to receive 120 tonnes of grain?

• 6 minutes

• 8 minutes

• 12 minutes

• 15 minutes

A shopping centre car park has 900-car parking bays divided into three sections.

Section 1 has 480 bays, and section 2 has half as much as Section 1.

The remaining bays are in section 3.

How many bays are there in Section 3?

• 80

• 120

• 180

• 280

Anne and Kate are flying overseas for a holiday.

Anne is flying to Dubai, and Kate is flying to Berlin.

How long after waving goodbye to Anne does Kate’s flight leave for Berlin?

• 65 minutes

• 75 minutes

• 105 minutes

• 125 minutes

 

The proportion of sheep manure found in four different brands of fertiliser is shown below.

 

Brand A – 0.35

Brand B – 2/5

Brand C – 25%

Brand D – 3/10

The most sheep manure is found in Brand ____, and Brand ___ has the least.

(a)