Find the next number in the series: 100, 90, 81, 73, 66, ?
Difficulty: Hard
About this MCQ
This Hard Analytical Reasoning MCQ checks one syllabus fact.
The question is: “Find the next number in the series: 100, 90, 81, 73, 66, ?”
The accepted answer is C. 60. “Find the next number in the series: 100, 90, 81, 73, 66,” is answered by 60 (option C). Option A (“59”) does not match the stem; it is a near-miss used to catch incomplete recall of 60. Option B (“58”) does not match the stem; it is a near-miss used to catch incomplete recall of 60. Remaining alternatives (61) fall outside the same rule and should be eliminated once 60 is identified. Analytical Reasoning questions of this type reward precise definitions rather than approximate associations. Analytical Reasoning recall of this distinction is a regular item in FPSC, PPSC, NTS, and CSS papers.
- A. 59
Why not A: “59” is not correct. The accepted answer is C. 60. “Find the next number in the series: 100, 90, 81, 73, 66,” is answered by 60 (option C). Option A (“59”) does not match the stem; it is a near-miss used to catch incomplete recall
- B. 58
Why not B: “58” is not correct. The accepted answer is C. 60. “Find the next number in the series: 100, 90, 81, 73, 66,” is answered by 60 (option C). Option A (“59”) does not match the stem; it is a near-miss used to catch incomplete recall
- C. 60 ✓
- D. 61
Why not D: “61” is not correct. The accepted answer is C. 60. “Find the next number in the series: 100, 90, 81, 73, 66,” is answered by 60 (option C). Option A (“59”) does not match the stem; it is a near-miss used to catch incomplete recall
Correct answer
C. 60
Explanation
“Find the next number in the series: 100, 90, 81, 73, 66,” is answered by 60 (option C). Option A (“59”) does not match the stem; it is a near-miss used to catch incomplete recall of 60. Option B (“58”) does not match the stem; it is a near-miss used to catch incomplete recall of 60. Remaining alternatives (61) fall outside the same rule and should be eliminated once 60 is identified. Analytical Reasoning questions of this type reward precise definitions rather than approximate associations. Analytical Reasoning recall of this distinction is a regular item in FPSC, PPSC, NTS, and CSS papers.
Source: Analytical Reasoning Official FPSC-Style Reference Guide
Tags: FPSC, logical reasoning, analytical reasoning, aptitude
Submitted by: MCQsHub Editorial
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