Five friends, Shirin, Nadia, Ishaan, Kamran and Junaid, are compared by weight. No two are equal. Nadia is heavier than Ishaan. Kamran is lighter than Ishaan. Junaid is lighter than Ishaan. Shirin is heavier than Ishaan. Which of the following must be true?
Correct answer C. Shirin is heavier than Kamran.
Explanation
Linking the clues gives Shirin > Ishaan > Kamran in weight, so Shirin is heavier than Kamran. The other statements fit some arrangements but not all of them.
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