Page 52 - NUMINO Challenge_D2
P. 52
3 There are five people, A, B, C, D, and E, standing in line. None of
them knows in which order they are standing. If all five people are
wearing one of red, blue, and yellow hats, which hat E is wearing?
A: I can only see red hats.
B: D is standing right behind me.
C: I can see all three colors of the hats.
D: I can only see a red hat.
E: I cannot see a blue hat.
Front Back
4 It takes 1, 2, 5, and 8 minutes for four people respectively to move from
point A to point B at night. A maximum of two people can move at a
time, and it takes as long as it does for a slower person to move when
two people are moving together. If there is only one flashlight and one
of the two people should come back, at least how many minutes does it
take for all four people to move from point A to point B?
49Reasoning
them knows in which order they are standing. If all five people are
wearing one of red, blue, and yellow hats, which hat E is wearing?
A: I can only see red hats.
B: D is standing right behind me.
C: I can see all three colors of the hats.
D: I can only see a red hat.
E: I cannot see a blue hat.
Front Back
4 It takes 1, 2, 5, and 8 minutes for four people respectively to move from
point A to point B at night. A maximum of two people can move at a
time, and it takes as long as it does for a slower person to move when
two people are moving together. If there is only one flashlight and one
of the two people should come back, at least how many minutes does it
take for all four people to move from point A to point B?
49Reasoning
