Sumeet starts from Point Y and drives 12 km towards the West. He then takes a left turn, drives 74 km, turns right and drives 65 km. He then takes a right turn and drives 57 km. He takes a right turn, drives 31 km. He then turns left and drives 17 km to stop at Point Z. How far (shortest distance) and towards which direction should he drive in order to reach Point Y again? (All turns are 90 degrees turns only unless specified)

Raj starts from point A and walks 7kms towards West direction. He then takes a left turn and walks 11kms, turns left and walks 11kms, turns left and walks 7kms. He then takes the final left turn, walks 4kms and stops at point How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90 degrees turns only unless specified)

Komal and Shalu walk 10 km together from the same point towards a point A in the north from point A, Komal walks 6 km towards south and then she walks 3 km towards east. Also, from point A Shalu walks 4 km towards west and then walks 6 km towards south. What is the distance between Shalu and Komal?

Ravi starts from Point Y and drives 28 km towards West. He then takes a right turn, drives 55 kms, turns left, drives 69 km, turns left and drives 76 km. He then takes a left turn and drives 35 km. He takes a left turn, drives 21 km to stop at Point Z. How far (shortest distance) and towards which direction should he drive in order to reach Point Y again? (All turns are 90 degrees turns only unless specified)