“MathD Presents “Problems on Train Part – 4” A और B के बीच की दुरी 110 km है, एक रेलगाड़ी A से प्रातः7 बजे B की ओर 20km/hr की चाल से जाती है, दूसरी रेलगाड़ी उसी दिन 8 बजे B से A की ओर 25 km/hr की चाल से चलती है, तो बताइए वे गाड़ियाँ आपस में कितने बजे मिलेंगी ? चलती हुई रेलगाड़ी में एक आदमी टेलीफोन के बाहर 1 मिनट में 21 खम्बे गिनता है, यदि प्रत्येक 2 खम्बे के बीच 50 मीटर का फासला है, तोView Page

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