Geometry
Ratios
Lines
General Knowledge
Math Trivia
100

All equilateral triangles are similar
True or False?

Explain.

False, equilateral triangles have the same angles but they can have different side lengths. :)
100

Are these ratios equivalent?

3 paintings to 16 photographs

6 paints to 32 photographs. 

Yes

100

Find the slope of the line that passes through the following points:

(3,3) and (5,7)

y=1/2x+3/2

100

What breed of dog is this?

Shih Tzu

100

893298 + 929012 - 1096 / 7284 x 8573 + 12345 - 123 = ???? 

1833242.048

200

Calculate the volume of a cylinder that has a 6 centimeter diameter and a  9 centimeter height.

Answer = 81pi cubic cm

200

A jar pinto beans and black beans in a ratio of 1:1, and 300 of the beans are pinto beans. How many beans in total are there in the jar?

600 beans


200

Use substitution or elimination to solve this

2x+y=3

x-y=-3

x=-2

y=1

200

What is the name of the fruit?

Pitaya or Dragon fruit

200

What's the answer to this math problem?

39

300

Calculate the circumference of a semi-circle that has a radius of 2cm.

4+2pi cm

300

In a bag of red and green sweets, the ratio of red sweets to green sweets is 3:4. If the bag contains 120 green sweets, how many red sweets are there?

There are 90 red sweets.

300

Use substitution or elimination to solve this

2x+3w-13=0

x+5w-13=0

x= 26/7

w=13/7

300

If you rearrange the letters 'CITCAR', you would have the name of:

A tree, an ocean, a country or a city

Only one answer.


An ocean (Arctic) 

300

In my row, in the theatre, the seats are numbered consecutively from T1 to T50. I am sitting in seat T17 and you are sitting in seat T39. How many seats are there between us?

21

400

e+f+e+f = 180°

When f = 2e, find the value of e

30°

400

John has 30 marbles, 18 of which are red and 12 of which are blue. Jane has 20 marbles, all of them either red or blue. If the ratio of the red marbles to the blue marbles is the same for both John and Jane, then John has how many more blue marbles than Jane?

Answer: John has 4 more blue marbles than Jane.

400

Use substitution or elimination to solve this

2x-y=5

x/4+y/3 = 2

y=3

x=4

400

 What is the name of this fruit?

Ackee

400

The number 987,654,321 is multiplied by 9. How many times does the digit 8 occur in the result?

9

500

Express 250pi cubic cm in dm^3 

0.25pi dm^3 

500

A special cereal mixture contains rice, wheat, and corn in the ratio of 2:3:5. If a bag of the mixture contains 3 pounds of rice, how much corn does it contain?

The mixture contains 7.5 pounds of corn.

500

Find the are of the triangle formed by the intersection of the lines y=x, x+y = 10 and x=0

The area of the triangle is 25cm^2

500

On this simple diagram of a plant cell, what is labelled "A"?

Vacuole 

500


Triangles XYZ and PQR are drawn on a square grid. What fraction of the area of triangle XYZ is the area of trianglePQR?

1/3