NIACL Model Paper 4 with solutions for free online practice

Statements  Some ice is ring.
Conclusions  Some rings are ice. (conversion)
Statements  Some rings are gold.
Conclusions  Some gold are ring, (conversion)
Statements  No ring is paint.
Conclusions  Some gold are not paint.
(I + E = O-type)
Statements  Some ice is ring.
No ring is paint.
Conclusions  Some ice is not paint. (1 + E = O-type )
Statements  No ring is paint.
Conclusions  No paint is ring. (Implication)
Hence none follows.