LIC AAO Model Paper 10

(i) All digits are numbers ⇒ Universal Affirmative (A-type).
(ii) Some letters are digits ⇒ Particular Affirmative (1-type).
(iii) No point is a spot ⇒ Universal Negative (E-type).
(iv) Some points are not spots ⇒ Particular Negative (O-type).
Some letters are digits.
All digits are numbers.
I + A ⇒ I-type of Conclusion
“Some letters are numbers”. (P)
Conclusion I is the Conclusion (P).
Venn diagrams of “All digits are numbers”:

Venn diagrams of "All symbols are numbers”:

After combining the Venn diagrams II and III, we get:

Venn Diagram V supports the Conclusion II.