Measurement
Convert 2.4 km to metres
2400 m
A fair die is rolled. What is P(rolling a prime number)?
1/2
Find the median: 3, 7, 8, 10, 12
8
Simplify: 7x+3-2x+8
5x+11
What is the largest planet in our Solar System?
Jupiter
Find the area of a triangle with base 12 cm and perpendicular height 7 cm.
42 cm2
A bag contains 5 red, 3 blue and 2 green counters. What is P(not blue)?
7/10
Find the mean: 5, 7, 8, 9, 11
8
Solve 4(x-2)=2x+10
x=9
Which country has the largest population in the world?
India
A circle has radius 6 cm. Find its circumference in exact form.
12*pi
Two fair coins are tossed. What is P(exactly one head)?
1/2
The mean of 5 numbers is 14. Four are 8, 11, 15, 17. Find the fifth number.
19
Simplify root 72.
six root 2
What is the capital city of Canada?
Ottawa
A cylinder has diameter 8 cm and height 0.1 m. Find its volume in cubic centimetres correct to two decimal places.
502.65
Two fair dice are rolled. What is P(sum is 9)?
1/9
Dataset A has IQR = 4 and Dataset B has IQR = 11. Which dataset has the greater spread in the middle 50%?
From a point 20 m from the base of a tree, the angle of elevation to the top is 38 degrees. Find the height of the tree to the nearest metre.
16 m
What is the only mammal capable of true sustained flight?
Bat
A rectangular prism measures 12 cm x 8 cm x 5 cm. It is melted and recast into cubes of side 2 cm. How many complete cubes can be made?
60
A bag contains 4 red and 3 blue counters. Two are selected without replacement. What is P(same colour)?
3/7
Five numbers have a mean of 18. One number, recorded as 12, should have been 27. What is the correct mean?
21
Factorise completely: 6x2-x-2
(3x-2)(2x+1)
Which element has the chemical symbol W?