Equation Analysis Test

by Will Shortz

After this test first appeared in the May/June 1981 issue of GAMES, it became widely circulated. Here are the original instructions and 24 questions.

This test does not measure your intelligence, your fluency with words, and certainly not your mathematical ability. It will, however, give you some gauge of your mental flexibility and creativity. In the three years since we developed the test, we’ve found few people who could solve more than half the 24 questions on the first try. Many, however, reported getting answers long after the test had been set aside—particularly at unexpected moments when their minds were relaxed; and some reported solving all the questions over a period of several days. Take this as your personal challenge.

Instructions: Each equation below contains the initials of words that will make it correct. Find the missing words. For example, 26 = L. of the A. would be
26 = Letters of the Alphabet.

a. 26 = L. of the A. Letters of the Alphabet

b. 7 = W. of the A.W. _________________

c. 1,001 = A.N. _________________

d. 12 = S. of the Z. _________________

e. 54 = C. in a D. (with the J.) _________________

f. 9 = P. in the S.S. _________________

g. 88 = P.K. _________________

h. 13 = S. on the A.F. _________________

i. 32 = D.F. at which W.F. _________________

j. 18 = H. on a G.C. _________________

k. 90 = D. in a R.A. _________________

l. 200 = D. for P.G. in M. _________________

m. 8 = S. on a S.S. _________________

n. 3 = B.M. (S.H.T.R.!) _________________

o. 4 = Q. in a G. _________________

p. 24 = H. in a D. _________________

q. 1 = W. on a U. _________________

r. 5 = D. in a Z.C. _________________

s. 57 = H. V. _________________

t. 11 = P. on a F.T. _________________

u. 1,000 = W. that a P. is W. _________________

v. 29 = D. in F. in a L.Y. _________________

w. 64 = S. on a C. _________________

x. 40 = D. and N. of the G.F. _________________



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