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SANJAY

· started a discussion

· 1 Months ago

how the meaning of single symbole is double ????????????

Question:

DIRECTIONS:  In the following questions, the symbols ⊕, ©, =, @ and @ are used with the following meaning:


‘Pencil ⊕ Sharpener’ means ‘Pencil is greater than Sharpener.‘

‘Pencil © Sharpener’ means ‘Pencil is either greater than or equal to Sharpener.’

‘Pencil = Sharpener’ means ‘Pencil is equal to Sharpener.’

‘Pencil @ Sharpener’ means ‘Pencil is smaller than Sharpener.’

‘Pencil @ Sharpener’ means ‘Pencil is either smaller than or equal to Sharpener.’

Statements:

Nose @ Ear , Eye  ⊕ Nose, Teeth  = Eye , Ear  = Hair

           

Conclusions:

I. Eye = Ear                   

II. Hair ⊕ Nose

Options:
A)

If only I is true.

B) If only conclusion II is true.
C)

If either conclusion I or II is true.

D)

If neither I nor II is true.

E)

If both are true.

Solution:

Statements: 

Nose < Ear, Eye > Nose, Teeth = Eye, Ear = Hair


Conclusions:

I. Eye = Ear                     

II. Hair > Nose

For I, Nose < Ear and Eye > Nose are relevant but they can’t be combined as the tip is pointed towards Nose in both cases. So I is uncertain. II is true; it follow from Hair = Ear > Nose.

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