What letter comes next in the sequence: M, V, E, M, J, S, U, N ?
A. P
B. Q
C. X
D. Y
The correct answer is: A
Rationale: The sequence consists of the first letters of the names of the months of the year in order, starting with January.
In the word PUZZLE, each letter is replaced by the letter which is three letters after it in the alphabet. In the word that is formed, each letter is again replaced by the letter which is three letters after it in the alphabet. What is the third letter of the word which is finally formed?
A. A
B. B
C. X
D. Z
The correct answer is: B
Rationale: The word PUZZLE becomes QXWBMD, which then becomes TZDOLF.
What is the next number in the series 1, 3, 6, 10, 15, 21, 28?
A. 33
B. 34
C. 35
D. 36
The correct answer is: D
Rationale: Each number is the sum of the previous number and the position of the previous number in the series.
In a certain code, BREAKTHROUGH is written as EAOUHRBRGHKT. How is DISTRIBUTION written in that code?
A. ISTRBUTOIDN
B. OITUBRNTIDS
C. RBTNUITSIDO
D. UORIDTBTINS
The correct answer is: B
Rationale: The letters in the first half of the word are written in reverse order, followed by the letters in the second half of the word also in reverse order.
In the series 2, 6, 12, 20, 30, 42, what is the next number?
A. 52
B. 54
C. 56
D. 58
The correct answer is: C
Rationale: In this simple multiplication series, each number is the product of consecutive integers.
What number should replace the question mark?
8  1  6
3  5  7
4  9  2
----
17 ?  15
Use code with caution.
A. 10
B. 11
C. 12
D. 13
The correct answer is: A
Rationale: The sum of the numbers in the first two columns is 2 more than the sum of the numbers in the second and third columns.
Which one of the five choices makes the best comparison? PEACH is to HCAEP as 46251 is to:
A. 25641
B. 15264
C. 12654
D. 51462
The correct answer is: D
Rationale: The letters of the first word are reversed to produce the second word. The digits of the first number are reversed to produce the second number.
Find the next letter in the series B, E, H, K, N
A. P
B. Q
C. R
D. S
The correct answer is: B
Rationale: The letters progress +3, +3, +3, +3...
What is the missing number in the following series: 2, 5, __, 19, 37, 75
A. 8
B. 9
C. 10
D. 11
The correct answer is: B
Rationale: Beginning with 2, each succeeding number is (previous number x 2) + 1.
In the following series, one number is wrong. Find out the wrong number. 1, 2, 4, 8, 16, 36
A. 1
B. 2
C. 4
D. 36
The correct answer is: D
Rationale: Each number is twice the previous number.