Math IQ Quiz

The day before the day before yesterday is three days after Saturday. What day is it today?

• Wednesday

• Thursday

• Friday

• Saturday

Answer explanation

It's Friday!

Let's break down the prompt: "The day before the day before yesterday" = three days ago. "Three days after Saturday" = Tuesday. Therefore, three days after Tuesday = Friday.

How many corners are there in a cube?

• 6

• 8

• 10

• 12

Answer explanation

There are 8 corners in a cube.

Which number should come next in this pattern: 8, 16, 32, ?

• 76

• 24

• 64

• 66

Answer explanation

It's 64!

Each number in the pattern is being doubled.

When counting from 1–100, how many times will you come across the number 7?

• 18

• 19

• 20

• 21

Answer explanation

20 times!

Here they are: 7, 17, 27, 37, 47, 57, 67, 70, 71, 72, 73, 74, 75, 76, 77 (there are two in that one), 78, 79, 87, and 97.

Which of these numbers is NOT prime?

• 89

• 127

• 297

• 313

Answer explanation

297 is not a prime number!

It's divisible by 3. (Example: 99 x 3 = 297

How many months have 28 days in them?

Answer explanation

All 12 months have 28 days. Most even have more.

If 3 + 5 = 9 and 5 + 5 = 10, what does 3 equal?

• 3

• 4

• 5

• 9

Answer explanation

In this case, 3 would equal 4.

The second equation proves that 5 holds its standard value of 5. Therefore, if you subtract 5 from 9 in that first equation, it reveals that 3 is actually equal to 4.

Which number comes next in this pattern: 3, 4, 7, 11, 18, ?

• 13

• 23

• 24

• 29

Answer explanation

It's 29!

Each number is the sum of itself and the previous number (example: 7 + 11 = 18, so 11 + 18 = 29)

Your sock drawer has 24 white socks and 24 blue socks in it. How many times will you need to reach inside the drawer and take out a sock to guarantee a matching pair?

• Two

• Three

• Four

• Eight

Answer explanation

Three times!

It's possible to get a match on only the second time, but you're guaranteed a match on your third attempt.

A farmer has 27 sheep. All but 10 of them die. How many sheep does she have left?

Answer explanation

If all but 10 die, that means she has 10 sheep left!