Amazing Maths Trivia

2 is the only.....?

• Multiple of 1

• Factor of 58

• Prime Even Number

• Odd Composite number

Pythagoras' Constant is:

•  $\sqrt{2}$  

•  $c^2$  

•  $\pi$  

• 3.14

The only number that cannot be represented in Roman Numerals is:

• 22

• 1001

• 0

• one million

Zero is an even number.

• True

• False

How can you tell that a number is divisible by 5 without dividing?

• Digits of number add to a multiple of 5

• The last digit of the number is 5 or 0

• At least one digit in the number is a 5

• The first digit of the number is divisible by 5

What is a perfect number?

• a negative integer that is equal to the product of its positive divisors

• a positive integer that is equal to the product of its positive divisors

• a negative integer that is equal to the sum of its positive divisors

• a positive integer that is equal to the sum of its positive divisors

What do 2 and 5 have in common?

• They are both multiples of 10

• They are the only prime numbers that end with 2 and 5

• They are both odd numbers

• Nothing

1,1,2,3,5,8,13,21...are called:

• Fibonacci Numbers

• Odd Numbers

• Triangular Numbers

• Pascal Numbers

If you multiply a number by x and add all the digits of the new number together, the sum will always add up to x. What is x?

• 3

• 8

• 5

• 9

If a Pizza Has Radius “Z” and Height “A” the Volume Equation Becomes…

• 2PiZ

• PiAZ

• PiZZA

• ZAPi