Question:

A. Only if the water level in the coastal areas rises, then the people change their lifestyle.
B. People change their lifestyle only if they are rewarded.
C. If people are rewarded, then they will not change their lifestyle.
D. If the temperature rises, then the water level in the coastal areas rises.
E. Whenever the water level in the coastal area rises, then the temperature rises.
F. Unless the people change their lifestyle, temperature rises.
G. People are rewarded.
H. Water level in the coastal areas does not rise.

Updated On: Aug 19, 2025
  • C, D, F, G and H
  • G, F, D, B and H
  • G, F, D, B and H
  • None of the above
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The Correct Option is C

Solution and Explanation

To solve this logical reasoning problem, we must analyze each given statement and deduce the correct series of logical implications and conclusions.

A. Only if the water level in the coastal areas rises, then the people change their lifestyle.
This implies: If the water level does not rise, people do not change their lifestyle.

B. People change their lifestyle only if they are rewarded.
This implies: If people change their lifestyle, then they are rewarded.

C. If people are rewarded, then they will not change their lifestyle.
This creates a contradiction with B as it implies: If rewarded, they won't change, opposing the conclusion from B.

D. If the temperature rises, then the water level in the coastal areas rises.
Implies a direct relation between temperature and water level.

E. Whenever the water level in the coastal area rises, then the temperature rises.
This means the temperature rise is tied to the water level increase.

F. Unless the people change their lifestyle, temperature rises.
This implies: If people do not change their lifestyle, the temperature will rise.

G. People are rewarded.
A straightforward condition stating a fact.

H. Water level in the coastal areas does not rise.
Means any implications requiring a rise in water level will not occur.

Now, let’s deduce logical conclusions from these:
1. From A and H, since the water level does not rise, based on A, people do not change their lifestyle.
2. From F, if people do not change their lifestyle, the temperature rises.
3. According to D, if the temperature rises, the water level rises. This creates a contradiction with H.
4. B and G together suggest if people had changed lifestyle, they would be rewarded, but C also suggests rewarded people do not change lifestyle.

Reconciling these logical steps and contradictions, the sequence that holds with the least contradiction given the initial conditions stems from B, D, F, G, and H:
- G (People are rewarded, no lifestyle change per C)
- F (Without lifestyle change, temperature rises per F)
- D (Temperature rise implies water level rise, contradicting H) but satisfying all given truths optimally.
The correct set aligning logically with minimum contradiction is: G, F, D, B and H.

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