Algebra
Probability
Data
Measurements
Others
100

Solve this equation (find the letter's value)

3d-4=11

d = 5

100

What is the chance of getting black or blue?

Spinner have 5 spaces, they have equivalent chance, 2 red, 1 black, 1 blue

2/5, 0.4, 40%

100

What is the mean of 25,25,35,45,20

30

100

What is the area of a square if one side is 100? (only need to state the value, no need for the unit, i.e. if the answer is 4cm2, you can write it as 4)

Area = 10000

100

What is 3 consecutive number that totaled up to 9999?

3332,3333,3334

200

Solve this equation (find the letter's value) 


56p/7 - 5 = 35

p = 5

200

What is the chance of getting a number at least 5 when you are rolling a dice?

2/6, 0.33., 33.33%

200

What is the median 1,2,3,4,4,5,7,8,9,11,12.5,16

Median = 5

200

What is the value of the cube if one side is 50?

The value = 125000

200

What is the amount of books that Alex have read if Kevin's reading ratio to Alex is 5 : 8, Ryujoon's reading ratio is 7 : 8 and the total sum of the books that all three of them had read is 100?

Alex had read 40 books

300

Solve this equation (find the letter's value) 

a2 -10 = 54

a = 8

300

What is the chance of getting 4 result that are the same (i.e. 4 heads or 4 tails )in a row when you are flipping 4 coins? 

2/16, 0.125, 12.5%

300

What is the IQR of 16,18,20,30,50,60,70

IQR = 36

300

What is the size of a cylinder if the radius is 5 and the height is 10 (answer in pi)?

250 pi

300
The construction of a house takes 15 workers 11 days. 5 of them quit construction after 5 days of work, if all 15 of them work at the same pace, how much days would the left over workers take to complete the house?

9 days

400

Solve this equation (find the letter's value) 

a3/7 - 76 = 64

a = 6

400

What is the chance of getting a sum of 7 when you are rolling 2 dice?

6/36, 0.16, 16.66%

400

What is the difference between the range and the median of 1,5,6,7,8,9,10

The difference between the range and the median is 2

400

What is the difference between the cylinder -(diameter = 6, height = 5) and a cylinder with half the height but with the radius of 6? (answer in pi)

45 pi

400

In a triangle, angle M° is twice angle L°, P° is only 1/22 of M°, what is the angle degree of the last angle?

P = 5° 

500

Solve this equation (find the letter's value) 

2a2-3a2 + 20a - a2 = 80/a

a = 4

500

What is the chance of getting 12 when you are rolling 3 dice?

25/216, 0.11574074074  or 11.574074074 ...%

500
What is the difference between the IQR and the median of 1,2,3,4,5,5,7,8,9,11

The difference between the IQR and the median = 0

500

What is the value of a cone if the radius is 6 and the height is 7 (answer in pi)?

The value of the cone = 84

500

What is ?

11,17,28,45,73,118,191,?

? = 309

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