# Hard Maths Trivia

### A not so simple maths quiz. Have fun. 15 Questions.

 Created by: survivorandy Played: 171 times Comments: 1 comment Favs: 0 users like this quiz Rating: 4 stars 3.7 out of 5, based on 16 votes

1

### What common trait do the numbers 6, 28, 496 and 8128 have?

• They are all square numbers
• They are all perfect numbers
• They are all prime numbers
• They are all odd numbers

2

• 180 degrees
• 360 degrees
• 540 degrees
• 720 degrees

3

• 1 / cos(A)
• 1 / sin(A)
• 1 / tan(A)
• 1 / cosec(A)

4

• 42
• 44
• 45
• 47

5

• 1101
• 1011
• 0111
• 1110

6

### A number, x, squared and then square rooted is the same as x.....

• All of the time
• Some of the time
• Never
• If x is greater than 0

7

• 90
• 180
• 270
• 360

8

• Mean
• Median
• Mode
• Range

9

### The square root of 1, known in maths as i, and in physics as j, is called what?

• Irritable Number
• Irreducible Number
• Imaginary Number
• Insane Number

10

• 2.107
• 1.618
• 3.141
• 0.998

11

• 12
• 13
• 14
• 15

12

### What are your chances, approximately, of winning the top prize in the UK lottery? [Picking 6 numbers from 49]

• 1 in 8 million
• 1 in 14 million
• 1 in 19 million
• 1 in 23 million

13

### If you add 10% to a number and then take 10% of that new number away, what is the net result?

• Stays the same
• Increases by 1%
• Decreases by 1%
• Increases by 5%

14

• 9
• 11
• 13
• 15

15

• Sieman
• Taylor
• Pythagoras
• Euripedes