Directions to Solve
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters
Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters
1. Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank?
A. A16
B. G4
C. E4
D. E3
2. Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?
A. 85
B. 97
C. 109
D. 178
3. Look at this series: V, VIII, XI, XIV, __, XX, ... What number should fill the blank?
A. IX
B. XXIII
C. XV
D. XVII
4. Look at this series: 70, 71, 76, __, 81, 86, 70, 91, ... What number should fill the blank?
A. 70
B. 71
C. 80
D. 96
5. Look at this series: 8, 43, 11, 41, __, 39, 17, ... What number should fill in the blank?
A. 8
B. 14
C. 43
D. 44
A. A16
B. G4
C. E4
D. E3
2. Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?
A. 85
B. 97
C. 109
D. 178
3. Look at this series: V, VIII, XI, XIV, __, XX, ... What number should fill the blank?
A. IX
B. XXIII
C. XV
D. XVII
4. Look at this series: 70, 71, 76, __, 81, 86, 70, 91, ... What number should fill the blank?
A. 70
B. 71
C. 80
D. 96
5. Look at this series: 8, 43, 11, 41, __, 39, 17, ... What number should fill in the blank?
A. 8
B. 14
C. 43
D. 44
ANSWERS:
1. Answer: Option C
Explanation: The letters decrease by 1; the numbers are multiplied by 2.
2. Answer: Option D
Explanation: This is an alternating division and addition series: First, divide by 2, and then add 8.
3. Answer: Option D
Explanation: This is a simple addition series; each number is 3 more than the previous number.
Explanation: This is a simple addition series; each number is 3 more than the previous number.
4. Answer: Option A
Explanation: In this series, 5 is added to the previous number; the number 70 is inserted as every third number.
5. Answer: Option B
Explanation: This is a simple alternating addition and subtraction series. The first series begins with 8 and adds 3; the second begins with 43 and subtracts 2.
Explanation: This is a simple alternating addition and subtraction series. The first series begins with 8 and adds 3; the second begins with 43 and subtracts 2.
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