Practise the online test your firm will send you
McKinsey, BCG and Bain screen with a timed online test before any interview. Pick the one named in your invitation and practise it free, with the same timing.
CCA diagnostic
Eight items on a single clock, forward-only: four numerical tasks, four work-style questions.
Casey chatbot case
A sequential chatbot case with live exhibits, case math and a final recommendation.
Red Rock study
A briefing plus two exhibits, a research journal to triage, and one number checked against tolerance.
Sea Wolf
Assign eight microbes, then pick the three-microbe treatment that satisfies every average.
Sustainable Futures Lab
Two rounds: rank five initiatives against stated criteria, then handle stakeholder pushback.
SOVA sampler
One numerical data-interpretation item and one abstract pattern sequence, with worked reasoning.
The skills these assessments test are the same ones the drills train. Work a real number in a free tool or read a full case.