Statements: 1. Some glasses are mirrors. 2. All mirrors are fragile. Conclusions: I. Some fragile things are glasses. II. All glasses are fragile. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statements:
1. Some glasses are mirrors.
2. All mirrors are fragile.
Conclusions:
I. Some fragile things are glasses.
II. All glasses are fragile.
Which conclusion(s) logically follow?
A. Only conclusion I follows
B. Both I and II follow
C. Neither I nor II follows
D. Only conclusion II follows
Answer: Option A
Solution (By JKSSB Mock Tests)
The glasses that are mirrors must also be fragile, meaning some fragile things are glasses (I follows). We do not know about the glasses that are not mirrors, so we cannot conclude they are all fragile (II does not follow).
Explanation:
I is too absolute. II contradicts the statement; 'children love ice cream' as a general statement doesn't allow 'some may dislike' if it's a universal claim. If it's taken as all children, then II contradicts; if it's a generic statement, II still cannot be deduced. Typically in reasoning, such a statement means 'all children', so II does not follow. Neither follows.
Statement: The government run company had asked its employees to declare their income and assets but it has been strongly resisted by employees union and no employee is going to declare his income.
Conclusions:
I. The employees of this company do not seem to have any additional undisclosed income besides their salary.
II. The employee's union wants all senior officers to declare their income first.
Explanation:
Conclusion I follows because strong resistance to declaring income may indicate they have nothing to hide and are protesting on principle. Conclusion II is not mentioned in the statement.
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