Logic question problem solving

[nihantokar]

i end up finding 2 hours and 16 minutes but the answer key says 4 hours 58 minutes

[DariusDuhan]

First, its important to convert the “displayed” times in Bolandia into normal time.

So, she goes to bed at 22:39 and wakes up at 3:37. This means she has slept for 4 hours and 58 minutes.