Statements: All numbers are alphabets.
All alphabets are vowel.
No vowel is digit.
Conclusions:I. No number is digit.
II. No alphabet is digit.
All numbers are alphabets.(A) + All alphabets are vowel(A) ⇒ All numbers are vowel(A) + No vowel is digit(E) ⇒ No number is digit(E). Hence conclusion I follows. All alphabets are vowel (A) + No vowel is digit(E) ⇒ No alphabet is digit(E). Hence conclusion II follows. Alternate method:
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