Permutation: n Different Things Taken All at a Time When All Are Not Different.
I went 15m ...
Question
I went 15m to the north, then I turned west and covered 10m, then turned south and covered 5m, and then turned east and covered 10m. In which direction am I from the starting point?
A
East
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
West
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
North
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
South
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C North
See the image.
Starting from the base point, the path traveled is shown.
In the end, I come to a point North of the the starting point at a distance = (15−5) = 10m.