Question
Statements:Â Â Â Â Â No book is a
pencil. All books are boards. All boards are dusters. No eraser is a duster. Conclusions: I. Some books are not dusters. II. Some books are not boards. III. Some boards are not pencils. IV. Some erasers are not boards. In each of the questions below are given four statements followed by four conclusions numbered I, II and III and IV. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
 All books are boards (A) + All boards are dusters (A) = All books are dusters (A) ⇒ Conversion ⇒ Some dusters are books (I), Hence, Ist doesn’t follow. All books are boards (A) ⇒ Conversion ⇒ Some boards are books (I), Hence, IInd doesn’t follow No book is a pencil (E) ⇒ Conversion ⇒ No pencil is a book (E) + All books are boards (A) ⇒ Some boards are not  pencils(O*). Hence IIIrd follows. All boards are dusters (A) + No duster is an eraser (E) ⇒ No board is an eraser (E) ⇒ Conversion ⇒ No eraser is a board ⇒ I.I ⇒ Some erasers are not boards (O*). Hence IVth also follows. Alternate Method- 
Statements
Only a few A is B
No B is C
Only a few C is D
Some D is E
Conclusions:
I). Â No A is C
...
Some diaries are not pencils. All notebooks are papers. Some diaries are not notebooks
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tr...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varian...
Statements:Â Â Â Â Â Â
Some pens are stands.
All stands are pencils.
Conclusions:Â Â Â Â Â Â
I. Some pens are pen...
Conclusions:
I. Some Jokers being Animals is a possibility.
II. A few Swings are not Strings.Statements:
Statement :
No ocean is a land.
Some lands are boundaries.
All boundaries are banks.
Conclusion :
I. No ocean is a ...
In the questions given below there are three statements followed by three conclusions I, II, and III. You have to take the three given statements to be...
Statements:Â
Only a few Comedians are Hosts.
All Hosts are Anchors.
No Anchor is a Show.
Conclusions:
I. Some Comedi...
Statements :Â
All summers are winters.
Some winters are autumns.
Conclusions :
I. All summers are autumns.
II. Some summers are not autumns.
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