Detective and Concierge Observations

Detective Wibisono leaves his office and enters a lift, where he meets a slow-moving concierge. The concierge observes the lift buttons and answers the detective's questions about the building's residents, detailing how many people live on specific floors. The building has 40 floors, and the concierge inquires which lift button is pressed most often.

What does Detective Wibisono do after leaving the office?

• He meets a colleague.

• He enters a car.

• He enters the elevator.

• He goes to the cafeteria.

How does the elderly concierge move?

• With a limp

• Very slowly

• With a cane

• Very quickly

What does the concierge notice in the elevator?

• The lights

• The buttons

• The floor

• The mirror

How many people live on the 35th floor?

• Four

• Seven

• Three

• Five

What is the total number of floors in the building?

• 35

• 45

• 30

• 40