Statement: Mobile phones should be switched off during take-off and landing. Conclusions: I. This rule is for safety. II. Passengers must comply. MCQ with Answer and Explanation

Statement: Mobile phones should be switched off during take-off and landing. Conclusions: I. This rule is for safety. II. Passengers must comply.
A. Neither I nor II follows
B. Only II follows
C. Only I follows
D. Both I and II follow
Answer: Option D
Solution (By JKSSB Mock Tests)
Such rules are for safety (I) and passengers are expected to comply (II). Both follow.

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Practice More Statement and Conclusion Questions

Question #1
Statement: The President of X Y Z party indicated that 25 independent Members of Legislative Assembly (M.L.A.) are seriously considering various options of joining some political party. But in any case all of them collectively will join one party only.
Conclusions:
I. The 25 independent M.L.A's will join X Y Z party in a short period of time.
II. The 25 independent M.L.A's will join some other political party in a short period of time.
A. Both conclusions I and II follow
B. Neither conclusion I nor II follows
C. Only conclusion I follows
D. Only conclusion II follows

Correct Answer: Option B


Explanation:
Neither conclusion follows. The statement says they are considering options; it is not definite that they will join XYZ party or any other particular party, nor is the time frame specified.

This question belongs to: Reasoning Statement and Conclusion
Question #2
Statement: About 50% of animal by products, hair, skin, horn etc. is edible protein. Indian chemists have developed a method of isolating 45% of this protein. They used an enzyme developed in Japan to break down soya protein.
Conclusions:
I. Indian have not been able to develop enzymes.
II. If an economically feasible process is developed there would be plenty of edible protein available.
A. Both conclusions I and II follow
B. Only conclusion I follows
C. Only conclusion II follows
D. Neither conclusion I nor II follows

Correct Answer: Option D


Explanation:
Conclusion I does not follow because using an enzyme developed in Japan does not imply Indians cannot develop enzymes. Conclusion II is not directly supported; the statement only mentions isolation of protein, not about economic feasibility leading to plenty of protein.

This question belongs to: Reasoning Statement and Conclusion
Question #3
Statement: The advertisement says 'sale up to 70% off'. Conclusions: I. All items are 70% off. II. Some items are less than 70% off.
A. Neither I nor II follows
B. Only I follows
C. Both I and II follow
D. Only II follows

Correct Answer: Option D


Explanation:
'Up to 70% off' means maximum discount is 70%, so not all items (I false). Some items are discounted less, so II follows.

This question belongs to: Reasoning Statement and Conclusion