Answer: 60 seconds

In Snowflake, virtual warehouses are billed in 60-second increments. This means that even if a warehouse runs for only 30 seconds, the customer is billed for a full 60-second increment. The community discussion shows 100% consensus on answer B (60 seconds) with multiple users confirming this is correct, and this aligns with Snowflake's documented billing policy where warehouses are charged for a minimum of 60 seconds of usage.

Author: LeetQuiz Editorial Team