LIC AAO Model Paper 4

Question : 18 of 160

Marks: +1, -0

Statements :
All squares are triangles.
No triangle is circle.
All circles are rectangles.
Conclusions:
I. No rectangle is square.
II. All rectangles being square is a possibility.

Validate

Solution:

All squares are triangles
No triangle is circle.
A + E ⇒ E-type of Conclusion
“No square is circle.” (P)
No triangle is circle.
All circles are rectangles.
E + A ⇒

O_1

,-type of Conclusion
“Some rectangles are not triangles."(Q)
No square is circle.
All circles are rectangles.
E + A ⇒

O_1

- -type of Conclusion
“Some rectangles are not squares.” (R)
None follows

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