🧠Mixed10 questions
Stopwatch Timer Knowledge Check
Sharpen your stopwatch timer skills with algorithmically generated problems. Each attempt produces unique values to test your formula knowledge.
ریاضی کو چھوڑیں — کیلکولیٹر استعمال کریں
اوپن کیلکولیٹر1 / 9
On your first lap, you ran 90 seconds. On your second lap, you improved your time to 70 seconds. By what percentage did you decrease your lap time? (Round to the nearest whole percentage).
Ratings & comments
…