Random Stuff
Algebra
Fractions
Decimals
Equations
100
What is the probability of obtaining a 6 if you roll a regular die?
1/6
100
Simplify 3a - 4b + 5a - 9b.
8a - 13b
100
Fully Simplify 18/24
3/4
100
Round to 3 decimal places: 0.24681
0.247
100
x+7=12
x=5
200
What is the area of the trapezium?
34 cm2
200
What is a quotient of 3a2 and 6a? (in the simplest form)
a/2
200
Convert to a mixed number 20/3
6 2/3
200
0.14 - 0.09
0.05
200
2x+10=16
x=3
300
What is the probability of obtaining a non-royal red suit if you are to pick a card from a regular deck of cards? (in the simplest form)
9/26
300
Fahrenheit is a temperature scale which is commonly used in the US. The below is the formula to find Fahrenheit. If today's temperature in Sydney is 15 degree Celsius, what is the equivalent temperature in the US in Fahrenheit?
59 degrees Fahrenheit
300
What is 3/4 divided by 1/6?
9/2
300
0.03 X 0.22
0.0066
300
4-3x=13
x=-3
400
How many triangles are there in the picture?
27
400
The hypotenuse, c of a right angled triangle can be calculated by the other two adjacent sides, a and b. (a2+b2=c2). If a right angled triangle has two adjacent sides, 3 cm and 4 cm what is the length of the hypotenuse?
5 cm
400
There are 20 students in Mr Otani's class. 1/5 of them like Totoro, 1/4 of them like Spirited Away, the rest like Howl's Moving Castle. How many like Howl's Moving Castle?
11
400
What is 0.104 divided by 0.4
0.3
400
2(3x+4)=20
x=2
500
35 Year 12 students are randomly selected. 6 students are studying Economics while 13 students are studying Mathematics. We know that 19 students aren't interested in Economics or Mathematics. If we are to interview with a student from the students randomly, what is the probability of seeing the student who are studying both Economics and Mathematics?3
3/35
500
154
500
1 3/4 X 4 1/10
7 7/40
500
One batch of cookies needs 0.4kg of flour to make 16 cookies. How much flour does Mr Otani need to make 40 cookies?
1kg
500
4(2x-3)+8(2-3x)=20
x=-1