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826Two-Stage Pipeline Completion 17 identical jobs each require 3 minutes on Stage 1 and then 5 minutes on Stage 2. Each stage handles at most one job at a time, and a job can enter Stage 2 immediately after Stage 1 if Stage 2 is free. What is the earliest completion time of all jobs?脑筋急转弯简单brainteaser未尝试免费831Escort Cart Trip Count 12 staff members and 2 trained couriers start on one side of a corridor. A cart carries at most two people, and only couriers can drive it. Assuming at least two couriers are available, what is the minimum number of one-way cart trips needed to move everyone across if staff must always ride with a courier?脑筋急转弯中等brainteaser未尝试免费836Minimum Room Count 1Meetings occupy half-open time intervals [(9, 12), (10, 13), (11, 15), (14, 16)]. What is the minimum number of rooms needed so that all meetings can be scheduled without overlap?脑筋急转弯简单brainteaser未尝试免费837Minimum Room Count 2Meetings occupy half-open time intervals [(8, 10), (9, 11), (10, 12), (10, 13), (13, 15)]. What is the minimum number of rooms needed so that all meetings can be scheduled without overlap?脑筋急转弯简单brainteaser未尝试免费841Batch Shuttle Time 1A shuttle holds 5 people and takes 7 minutes for a one-way crossing. It must return after every outbound trip except the last. How many minutes are needed to move 23 people across?脑筋急转弯简单数值题未尝试免费846Periodic Window Alignment 1One maintenance window opens every 18 minutes and another opens every 24 minutes, both starting now. After how many minutes will they next open simultaneously?脑筋急转弯简单数值题未尝试免费851Subtraction Game State 1Two players alternate removing stones from one pile of 27. A legal move is to remove any number in 1, 4, 6 . The player who takes the last stone wins. Under optimal play, does the first player win? If yes, what is an optimal first move?脑筋急转弯简单数值题未尝试免费861Locate the Losing Position 1In a subtraction game with legal moves 1, 4, 6 , positions are classified as winning or losing in the usual last-move-wins sense. What is the 8th positive losing position?脑筋急转弯简单brainteaser未尝试免费866End-Pick Coin Row 1Two players alternately take one number from either end of the row [4, 9, 2, 7, 5]. Each player wants to maximize the sum of the numbers they personally collect. Under optimal play, what should the first player take first, and what total can the first player guarantee?脑筋急转弯简单数值题未尝试免费867End-Pick Coin Row 2Two players alternately take one number from either end of the row [8, 1, 6, 3, 9, 2]. Each player wants to maximize the sum of the numbers they personally collect. Under optimal play, what should the first player take first, and what total can the first player guarantee?脑筋急转弯中等数值题未尝试免费892Two-Segment Demand Total 2A forecast splits annual package deliveries into Segment A with 18000 entities at 1.4 events each and Segment B with 6000 entities at 3.1 events each. What is the combined annual estimate?脑筋急转弯中等数值题未尝试免费893Two-Segment Demand Total 3A forecast splits annual streaming hours into Segment A with 420000 entities at 1.8 events each and Segment B with 90000 entities at 4.2 events each. What is the combined annual estimate?脑筋急转弯中等数值题未尝试免费894Two-Segment Demand Total 4A forecast splits annual support chats into Segment A with 15000 entities at 2.5 events each and Segment B with 3000 entities at 6 events each. What is the combined annual estimate?脑筋急转弯困难数值题未尝试面试订阅895Two-Segment Demand Total 5A forecast splits annual lab samples into Segment A with 800 entities at 13 events each and Segment B with 1200 entities at 5 events each. What is the combined annual estimate?脑筋急转弯困难数值题未尝试面试订阅896Implied Unit Count 1Annual parking sessions are modeled as units * 280 events per unit per active day * 420 active days. If the annual total is 8820000, how many units are implied?脑筋急转弯简单数值题未尝试免费897Implied Unit Count 2Annual clinic visits are modeled as units * 300 events per unit per active day * 240 active days. If the annual total is 5760000, how many units are implied?脑筋急转弯简单数值题未尝试免费898Implied Unit Count 3Annual parcel lockers are modeled as units * 315 events per unit per active day * 160 active days. If the annual total is 4032000, how many units are implied?脑筋急转弯中等数值题未尝试免费899Implied Unit Count 4Annual theme-park meals are modeled as units * 255 events per unit per active day * 500 active days. If the annual total is 6375000, how many units are implied?脑筋急转弯中等数值题未尝试免费900Implied Unit Count 5Annual charging sessions are modeled as units * 330 events per unit per active day * 96 active days. If the annual total is 2851200, how many units are implied?脑筋急转弯困难数值题未尝试免费1376Implied Notional from Fee 1A desk fee of 18000 equals 24 basis points of notional. What is the notional?脑筋急转弯简单数值题未尝试免费