Directions to Solve
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: J14, L16, __, P20, R22, ... What number should fill the blank?
A. S24
B. N18
C. M18
D. T24
2. Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?
A. 13
B. 15
C. 20
D. 28
3. Look at this series: XXIV, XX, __, XII, VIII, ... What number should fill the blank?
A. XXII
B. XIII
C. XVI
D. IV
4. Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?
A. 4.8
B. 0.006
C. 0.6
D. 0.9
5. Look at this series: U32, V29, __, X23, Y20, ... What number should fill the blank?
A. W26
B. W17
C. Z17
D. Z26
ANSWERS:
1. Answer: Option B
Explanation: In this series, the letters progress by 2, and the numbers increase by 2.
2. Answer: Option A
Explanation: Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.
3. Answer: Option C
Explanation: This is a simple subtraction series; each number is 4 less than the previous number.
4. Answer: Option C
Explanation: This is a simple multiplication series. Each number is 2 times greater than the previous number.
5. Answer: Option A
Explanation: In this series, the letters progress by 1; the numbers decrease by 3.
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