Question
The average age of 32 children and their teacher's age
are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?Solution
Sum of the age of total children and teacher = 33 × 28 = 924 Sum of the age of children after excluding = 32 × 27 = 864 Teacher’s age = 924 – 864 = 60 years
Statements-:
Some A are B
No B are C
All C are D
Conclusions :-
I. Some A are not B.
II. No A are C.
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All tables are window.
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      ...
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No balcony is room.
Some room is floor.
All floor is roof.
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Statements:
Some A are B.
Only a few B are C.
All C are D.
Only a few D are E.
Conclusions:
I). Â No A is...
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Statements: Some winters are summers.
All summers are springs.
All springs are seasons.
I. Som...
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