Conclusion right.

24. All these bonbons are chocolate-creams;
All these bonbons are delicious.
Chocolate-creams are delicious.

Univ. “food”; m = these bonbons; x = chocolate-creams; y = delicious.

m1x′0 † m1y′0xy1 [Fig. III.

Conclusion wrong, being in excess of the right one, which is “Some chocolate-creams are delicious.”

25. No muffins are wholesome;
All buns are unwholesome.
Buns are not muffins.

Univ. “food”; m = wholesome; x = muffins; y = buns.

xm0 † y1m0

No Conclusion. [Fallacy of Like Eliminands not asserted to exist.]

26. Some unauthorised reports are false;
All authorised reports are trustworthy.
Some false reports are not trustworthy.