सहर ने अपनी साइकिल उत्तर दिशा में चलाई। वह बाईं ओर मुड़ी और 7 किमी तक चली। वह फिर से बाईं ओर मुड़ी और 5 किमी तक चली, जिसके बाद उसे अहसास हुआ कि वह अपने शुरुआती बिंदु से पश्चिम की ओर 7 किमी की दूरी पर थी। उसने अपने शुरुआती बिंदु से उत्तर दिशा की ओर कितने किलोमीटर साइकिल चलाई?

Jason went on a business trip in his car. He drove west from his house for a distance of 30 km. He turned right and drove 20 km. Then, he turned left and drove 10 km, took another left and drove 40 km. He took a last left and drove 40 km before stopping. How far and in which direction should he drive to reach his house? (All turns are 90-degree turns only.)

Manish starts from Point Y and drives 37 km towards North. He then takes a left turn, drives 75 km, turns left and drives 69 km. He then takes a left turn and drives 52 km. He takes a left turn, drives 32 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-degree turns only.)