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Letter Series 2

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An alien is also known as an ET, which stands for Extra-Terrestrial.

Letter Series 2

Letter series puzzles ask pupils to spot rules in a sequence of letters. They build logical thinking, strengthen memory, and improve reasoning skills for 11 Plus Verbal Reasoning exams.

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Fascinating Fact:

These puzzles strengthen logical thinking and improve memory because you must hold the sequence in your head.

In 11 Plus Verbal Reasoning, letter series puzzles challenge pupils to recognise the rules behind sequences. They help develop memory, reasoning, and the ability to think systematically.

  • Sequence: A list of items arranged in a specific order.
  • Rule: The logical pattern that explains how items in a sequence change.
  • Reasoning: The process of thinking carefully to reach a correct conclusion.
How do letter series puzzles work?

They present a line of letters that follow a hidden rule. Pupils must find the pattern and continue the series correctly by applying the same rule.

What skills do letter series puzzles build?

They improve logical thinking, strengthen short-term memory, and encourage systematic problem-solving, all of which are vital for 11 Plus Verbal Reasoning exams.

How can I practise letter series effectively?

Start by working slowly, writing out the alphabet to spot jumps or skips. Over time, practise solving puzzles more quickly to build confidence and speed.

Example:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. When you have found the most appropriate group of letters, choose the correct answer from the four choices available.

AT BS CR DQ EP

Answer: FO

The first letter in each group of letters is in alphabetical order, with no spaces. The second letter in each group of letters is in reverse alphabetical order, with no spaces. So we need to look for the letter after E and the letter before P.
1 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
QJ PL ON NP MR
LM
LW
LT
TP
The first letter in each group of letters is in reverse alphabetical order, and does not skip any letters. The second letter in each group of letters is in alphabetical order, and skips one letter each time. So we need to look for the letter before M and the letter two spaces after R. Only LT works
2 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
TI QL NO KR HU
EY
WE
EZ
EX
The first letter in each group of letters is in reverse alphabetical order, and skips two letters each time. The second letter in each group of letters is in alphabetical order, and skips two letters each time. So we need to look for the letter three spaces before H and the letter three spaces after U. Only EX works. For some extra brownie points, can you say which two letters together will always make one silent, from the 10 letters in the question? Check the answer to one of the following questions to find out if you were right
3 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
CX ET GP IL KH
NE
NP
MD
ME
The first letter in each group of letters is in alphabetical order, and skips one letter each time. The second letter in each group of letters is in reverse alphabetical order, and skips three letters each time. So we need to look for the letter two spaces after K and the letter four spaces before H. Only MD works
4 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
AY EU IQ MM QI
QU
QE
UQ
UE
The first letter in each group of letters is in alphabetical order, and skips three letters each time. The second letter in each group of letters is in reverse alphabetical order, and skips three letters each time. So we need to look for the letter four spaces after Q and the letter four spaces before I. Only UE works. Remember the extra brownie points from question 2? From the letters TI QL NO KR HU the two letters together which will always make one silent are K and N. Knife, Know, Knot
5 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
UC RD OE LF IG
HH
FH
FO
HF
The first letter in each group of letters is in reverse alphabetical order, and skips two letters each time. The second letter in each group of letters is in alphabetical order, and skips no letters each time. So we need to look for the letter three spaces before I and the letter after G. Only FH works. From the original 10 letters in the question can you make a word which is something you will need at Secondary School? Question 10 will have the answer!
6 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
SC QE OG MI KK
IM
IL
IN
LI
The first letter in each group of letters is in reverse alphabetical order, and skips one letter each time. The second letter in each group of letters is in alphabetical order, and skips one letter each time. So we need to look for the letter two spaces before K and the letter two spaces after K. Only IM works
7 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
ZF UH PJ KL FN
PA
PP
AP
PB
The first letter in each group of letters is in reverse alphabetical order, and skips four letters each time. The second letter in each group of letters is in alphabetical order, and skips one letter each time. So we need to look for the letter five spaces before F and the letter two spaces after N. Only AP works
8 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
AY FV KS PP UM
MK
ZM
ZJ
ZL
The first letter in each group of letters is in alphabetical order, and skips four letters each time. The second letter in each group of letters is in reverse alphabetical order, and skips two letters each time. So we need to look for the letter five spaces after U and the letter three spaces before M. Only ZJ works. What word which might mean 'detective' can you make from the letters in the question? SPY
9 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
BQ CN DK EH FE
GV
GF
GF
GB
The first letter in each group of letters is in alphabetical order, and skips no letters each time. The second letter in each group of letters is in reverse alphabetical order, and skips two letters each time. So we need to look for the letter after F and the letter three spaces before E. Only GB works
10 .
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The alphabet is given above to help you. Find the group of letters that will continue the series in the most sensible way. Then choose the correct answer from the four choices available.
VB TF RJ PN NR
LO
LV
LU
AV
The first letter in each group of letters is in reverse alphabetical order, and skips one letter each time. The second letter in each group of letters is in alphabetical order, and skips three letters each time. So we need to look for the letter two spaces before N and the letter four spaces after R. Only LV works. There are no vowels in this question. Do you know a word that has all the vowels and in the right order? FACETIOUS. And the answer to the puzzle in question 5? FOLDER
Author:  Stephen O'Hara

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