In the Advanced Policy Creation with Kyverno section of learn-by-doing-kubernetes-policies-with-kyverno, the question seems to tell that Requests > limits, which is not possible,
Requests <= limits in a kubernetes setting, although when we create policy this is not checked, if you create a resource which violates Requests <= limits, you’ll get something similar to
The Pod "pod-resources-demo" is invalid: spec.containers[0].resources.requests: Invalid value: "100Mi": must be less than or equal to memory limit of 50Mi