Question
Download Solution PDFइंजिनमध्ये बिघाड झाल्यामुळे एक्स्प्रेस आपल्या नेहमीच्या वेगाच्या 9/10 व्या वेगाने जाते आणि दुपारी 2 : 28 ऐवजी 2 : 34 वाजता पोहोचते. रेल्वेची सुरुवात किती वाजता झाली?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे,
इंजिनमध्ये बिघाड झाल्यामुळे एक्स्प्रेस आपल्या नेहमीच्या वेगाच्या 9/10 व्या वेगाने जाते आणि दुपारी 2 : 28 ऐवजी 2 : 34 वाजता पोहोचते.
संकल्पना:
दोन रेल्वेच्या वेगाचे गुणोत्तर = x : y
दोन रेल्वेच्या वेळाचे गुणोत्तर = y : x
आपल्याला माहित आहे की, वेळ वेगाच्या विपरीत प्रमाणात आहे.
गणना:
वेळेतील फरक = 2:34 – 2:28 = 0:06 मिनीट
एक्सप्रेस रेल्वेचा वेग 10 पट समजा
⇒ इंजिनमध्ये बिघाड झाल्यानंतर रेल्वेचा वेग = 10x × 9/10 = 9x
रेल्वेच्या वेगाचे गुणोत्तर = 10x : 9x
⇒ रेल्वेच्या वेळाचे गुणोत्तर = 9x : 10x
दिलेल्या प्रश्नानुसार,
10x – 9x = 6 मिनीटे
⇒ x = 6 मिनीटे
⇒ मुळ वेळ = 10 × 6 = 60 मिनीटे = 1 तास
∴ रेल्वे सुरू होईल ती योग्य वेळ = 2:34 – 1:00 = दुपारी 1:34 वाजता
Last updated on Jun 11, 2025
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