A child is searching for his mother. After walking 90 m towards east, he turns to the right. After walking 20 m, he again turns to the right and after travelling a distance of 30 m he reaches his mother’s friend’s house. From here he walks 100 m towards north and meets his mother. At whichdistance does he meet his motherfrom the starting point ?

A

80m

B

100m

C

140m

D

260m