Amit started from Point A and travelled 9 km east. He then turned right and travelled 6 km. He then turned right and travelled 7 km. He finally turned right and travelled 6 km to stop at Point E. What is the shortest distance between Point E and Point A? (All turns are 90-degree turns only.)

Toshi starts from point A and drives 70 km towards east. He then takes a left turn, drives 45 km, turns left and drives 78 km. He then takes a left turn and drives 76 km. He takes a final left turn, drives 8 km and stops at point P. How far (shortest distance) and towards which direction should he drive in order to reach point A again? (Note: All turns are 90° turns only.)

Sanvi's route to school from her house is as follows: She starts by walking 10 m north from her house, then takes two consecutive right turns of 5 m each. Next, she turns 90° anticlockwise and walks 2 m. Finally, she turns 90° clockwise and walks 6 m. How many right turns does Sanvi take along the entire route?