These tests contain several mathematical problems.
Hoeflin IQ Tests
These IQ tests were created by Ronald K. Hoeflin, Ph.D., philosopher and creator of the famous Mega, Titan, Ultra, and Power tests, and founder of several high IQ societies that you will find listed on IQSocieties.com
High Ceiling IQ Tests
These tests are able to discriminate at or above the 99.9th percentile (IQ 146+ on a 15 point per standard deviation scale). This is the one person in a thousand level.