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Para-jumbles 16 / 100

a. Consequently, understanding dark matter is crucial not only for completing our picture of the universe's mass budget but also for refining theories of galaxy formation and cosmic evolution.
b. Dark matter remains one of the most perplexing mysteries in modern cosmology, its existence inferred solely through gravitational effects on visible matter.
c. These models range from weakly interacting massive particles (WIMPs) to exotic forms of neutrinos or even primordial black holes.
d. Despite extensive searches, no direct detection of dark matter particles has been confirmed, leading to numerous theoretical models for its composition.

These sentences, when properly sequenced, form a coherent paragraph. Which of the options best outline their correct order?

1. b, d, c, a

2. d, b, a, c

3. b, c, d, a

4. d, a, b, c

Correct Answer: 1 (b, d, c, a)
To solve "Sentence Rearrangement" or "Para-jumble" tasks, look for the logical flow of ideas:
Step 1 (Introduction): Sentence (b) is the most effective opener. It introduces the main topic, "Dark matter," and establishes its fundamental nature as a cosmic mystery whose existence is inferred gravitationally.
Step 2 (Elaboration): Sentence (d) logically follows (b). It builds upon the mystery by explaining that despite efforts, there's been "no direct detection," which then prompts the development of "numerous theoretical models for its composition." This explains the current state of research following the initial problem statement.
Step 3 (Secondary Factor): Sentence (c) directly elaborates on the "theoretical models" mentioned at the end of sentence (d). The phrase "These models" acts as a clear linking device, specifying the types of particles or entities proposed to constitute dark matter.
Step 4 (Conclusion/Result): Sentence (a) provides a fitting conclusion. Beginning with "Consequently," it underscores the broader implications and importance of solving the dark matter mystery for our understanding of the universe's structure and evolution.

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