Question

Statements: No book is a

Q: Answer- Statements: No book is a pencil. All books are boards. All boards are dusters. No eraser i...

All books are boards A All boards are dusters A All books are dusters A Conversion Some dusters are books I, Hence, Ist doesnt follow. All books are boards A Conversion Some boards are books I, Hence, IInd doesnt follow No book is a pencil E Conversion No pencil is a book E All books are boards A Some boards are not pencilsO. 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-

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.

A Only I follows

B Only IV follows

C Only III and IV follow

D All follow

E None of these