Time
30s
Correct
0
Accuracy
—
Answer as many quick questions as you can in 30 seconds — four answer choices, wrong answers count against your accuracy. A simple mental speed test of how fast you retrieve and act on information.
Time
Correct
Accuracy
Answer as many quick questions as you can in 30 seconds — four answer choices, wrong answers count against your accuracy. A simple mental speed test of how fast you retrieve and act on information.
Processing speed is how quickly your brain takes in information, makes sense of it and responds — separate from how much you know. This 30-second sprint gives you a repeatable score you can track over time.
It's an informal performance exercise, not a medical or diagnostic assessment of cognitive processing speed. For a consistent benchmark, retake it at the same time of day under similar conditions.
Curious what processing speed is and how to build it? Read our processing speed exercises guide →
Cognitive training exercises to improve focus
Every skill comes with a free test: get your baseline in under a minute, then retest weekly to track your progress. Scores are saved to your profile so you can watch them move as you train.
Calculate equations and make split-second pathing adjustments as the screen scrolls.
Real-world benefit: Faster decision-making under pressure and quicker reflexes while driving.
Hold numbers in short-term memory while physically navigating winding turns.
Real-world benefit: Better retention of names, phone numbers and daily to-do lists.
Trace a dynamic, shrinking path without drifting or lifting your finger.
Real-world benefit: Faster reactions, precise motor control and sustained attention.
Common questions
How quickly you take in simple information, decide and respond. This version uses rapid arithmetic with answer choices, so your score reflects both calculation speed and decision speed.
No. It's an informal performance exercise for tracking your own mental speed over time — not a medical, clinical or IQ assessment.
Short, regular practice with timed math games improves retrieval speed. Bubble Rush uses the same solve-fast loop as this test and adapts to your level.