We've Collected The 15 Hardest Questions. How Many Can You Answer Correctly?

Time to get your brain juices flowing with the hardest IQ questions we have, all in one quiz.

Created by Michael Rogers

On Oct 7, 2020

This is unquestionably one of the most difficult IQ tests you'll ever take in your life. Only 0.1% of the population can score 15/15 or more. Can you beat these odds?

1 / 15

A medicine instructs you to take one pill every three and a half hours, and comes with four pills. How long will it last?

2 / 15

Wing is to Air as Flipper is to:

3 / 15

How many months of the year have 28 days and 30 days, respectively?

4 / 15

A shepherd has 26 goats. All but 12 die in the winter. How many are left?

5 / 15

If you add 30 to 30 and then divide by 3, you'll end up with:

6 / 15

Joan is sisters with Joanna. Joanna's mother has a sister named Jane. What relation is Jane to Joan?

7 / 15

Without breaking any, what's the minimum number of pencils you'd need to spell out: "LEFT"?

8 / 15

What would be a synonym of an antonym for "Enormous"?

9 / 15

4 + 3 (5 – 2) = ?

10 / 15

Pick the odd one out:

11 / 15

What is one half of one third of one third of 990?

12 / 15

Which of these touches both Africa and Australia?

13 / 15

ALASKA is to 474324 as 744342 is to:

14 / 15

Emma, who is 20 years old, is 4 times as old as Jason. How old will she be when she's twice as old as he?

15 / 15

Which of these numbers is divisible by 7 without a remainder?

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