Logical Reasoning series: Solving questions on Alphanumeric series Part I

Competitive exams often find questions on the alphanumeric series and with more practice, you can be assured of scoring well in this section. The one tip that can be handy while solving alphanumeric series is to analyse the question and try making connections or a pattern and once the pattern is figured out the rest becomes easy to solve. Answer = East If P x Q means P is to the south of Q; P + Q means P is to the north of Q; P % Q means P is to the east of Q; P-Q means P is to the west of Q; then in A % B + C - D, D is in which direction with respect to B? Answer = South East Tina walks 8 km towards the East and then walks 13 km back, then she turns left and walks 4 km; then walks 5 km after turning left; she turns left again and walks 3 km.