easy · GMAT Quant
An automated payment gateway performs security token rotations every 4 minutes at minute t equiv 3 pmod4. It performs database indexing every 9 minutes at minute t equiv 3 pmod9.
What is the smallest minute t > 10 at which both processes occur at the exact same time?
- 3
- 27
- 36
- 39
- 75
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