No fish are mammals. All whales are mammals. Which conclusion logically follows?
Difficulty: Medium
About this MCQ
This Medium Analytical Reasoning question asks: No fish are mammals. All whales are mammals. Which conclusion logically follows? The correct choice is C. No whales are fish.. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Analytical Reasoning items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Analytical Reasoning so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Analytical Reasoning item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. All fish are whales.
Why not A: “All fish are whales.” does not fit this question. The answer is No whales are fish..
- B. All whales are fish.
Why not B: “All whales are fish.” does not fit this question. The answer is No whales are fish..
- C. No whales are fish. ✓
- D. Some whales are fish.
Why not D: “Some whales are fish.” does not fit this question. The answer is No whales are fish..
Correct answer
C. No whales are fish.
Explanation
No whales are fish. (option C) is the accepted answer to “No fish are mammals. All whales are mammals. Which conclusion logically follows”. Option A (All fish are whales.) does not fit this question. Option B (All whales are fish.) does not fit this question. Option D (Some whales are fish.) does not fit this question. For this Analytical Reasoning question, the accepted answer is No whales are fish..
Source: Analytical Reasoning Official FPSC-Style Reference Guide
Tags: FPSC, logical reasoning, analytical reasoning, aptitude
Submitted by: MCQsHub Editorial
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