You have to work out what the letters mean. See No 0 as and example. According to MENSA, if you get 19+ of these, you are a 'genius'. Only 2 MENSA members achieved full marks. See how well you do.

Scoring: 1-5 Average, 6-11 somewhat intelligent, 12 to 18 intelligent, 19+ Genius

0 24 H in a D 24 HOURS IN A DAY

1 26 L of the A

2 7 D of the W

3 7 W of the W

4 12 S of the Z

5 66 B of the B

6 52 C in a P (WJs)

7 13 S in the USF

8 18 H on a G C

9 39 B of the O T

10 5 T on a F

11 90 D in a R A

12 3 B M (S H T R)

13 32 is the T in D F at which W F

14 15 P in a R T

15 3 W on a T

16 100 C in a R

17 11 P in a F (S) T

18 12 M in a Y

19 13=UFS

20 8 T on a O

21 29 D in F in a L Y

22 27 B in the N T

23 365 D in a Y

24 13 L in a B D

25 52 W in a Y

26 9 L of a C

27 60 M in a H

28 23 P of C in the H B

29 64 S on a C B

30 9 P in S A

31 6 B to an O in C

32 1000 Y in a M

33 15 M on a D M C