
How we choose which problems to solve
The questions Upperkai asks before building anything: is the task real, does it come round often, and would people be better off if it were simpler?
Practise real JAMB questions, sit timed CBT mocks and see how ready you are.

JAMB is a computer-based test, and many candidates meet that format for the first time on exam day. JambCBT lets you practise the way you will be tested, so the screen, the timer and the questions already feel familiar when it counts.
Sit timed mock exams in the same computer-based format as the real test.
Work through the official JAMB syllabus one topic at a time, or go year by year with past questions.
Take quick practice quizzes, or beat quizzes set by other students and climb the leaderboard.
Sign in and your scores, streaks and readiness are saved to your account, so you can pick up right where you left off.
JambCBT is for anyone preparing for JAMB who wants to practise in the real test format. It runs in the browser at jambcbt.app, and you can install it to your phone’s home screen, with no app store and no big download.

The questions Upperkai asks before building anything: is the task real, does it come round often, and would people be better off if it were simpler?