With the same alphabet and conditions than exercise 2, the goal is now to indicate the letter that is missing in the gap (marked with a ‘_’) for giving meaning to the series.
EXAMPLE :
a, c, _, c, a, c, …
A : ‘c’
B : ‘a’
C : ‘b’
D : ‘d’
E : ‘j’
The solution is 'B' because in this way we would have the regular series
"a, c, a, c, a, c, …".
PROBLEM 1)
h, g, f, _, d, c, b, a, …
A : ‘a’
B : ‘e’
C : ‘f’
D : ‘c’
E : ‘b’
PROBLEM 2)
a, _, b, b, c, c, d, …
A : ‘a’
B : ‘b’
C : ‘z’
D : ‘c’
E : ‘d’
PROBLEM 3)
a, _, a, z, a, y, a, …
A : ‘x’
B : ‘z’
C : ‘a’
D : ‘b’
E : ‘y’
PROBLEM 4)
a, a, _, y, y, a, w, w, y, …
A : ‘x’
B : ‘c’
C : ‘a’
D : ‘f’
E : ‘g’
PROBLEM 5)
_, b, z, a, y, z, x, y, …
A : ‘a’
B : ‘w’
C : ‘b’
D : ‘z’
E : ‘y’
PROBLEM 6)
a, a, _, z, z, a, y, y, z,…
A : ‘a’
B : ‘w’
C : ‘b’
D : ‘z’
E : ‘y’
PROBLEM 7)
a, x, _, v, w, t, u, …
A : ‘z’
B : ‘w’
C : ‘y’
D : ‘v’
E : ‘a’
PROBLEM 8)
a, y, w, _, w, u, w, u, s, …
A : ‘z’
B : ‘w’
C : ‘y’
D : ‘v’
E : ‘s’
PROBLEM 9)
a, b, c, f, _, h, k, …
A : ‘g’
B : ‘f’
C : ‘h’
D : ‘i’
E : ‘a’
PROBLEM 10)
a, c, b, _, d, c, e, e, e, d, f, …
A : ‘a’
B : ‘b’
C : ‘e’
D : ‘c’
E : ‘d’
PROBLEM 11)
a, d, _, z, c, b, y, b, a, …
A : ‘c’
B : ‘b’
C : ‘e’
D : ‘y’
E : ‘z’
PROBLEM 12)
a, b, _, b, c, a, c, d, b, …
A : ‘c’
B : ‘d’
C : ‘b’
D : ‘a’
E : ‘z’
PROBLEM 13)
a, a, _, c, y, e, x, …
A : ‘g’
B : ‘d’
C : ‘x’
D : ‘e’
E : ‘z’
PROBLEM 14)
_, a, b, y, z, a, b, x, y, z, a, b, w, x, y, z, …
A : ‘a’
B : ‘z’
C : ‘b’
D : ‘y’
E : ‘c’
PROBLEM 15)
z, z, _, z, y, y, x, y, x, …
A : ‘a’
B : ‘x’
C : ‘z’
D : ‘y’
E : ‘v’