Question
Download Solution PDFएक कारगाडी निम्मे अंतर 28 किमी/तास आणि उर्वरित निम्मे अंतर 84 किमी/तास वेगाने कापते, तिचा सरासरी वेग किती?
This question was previously asked in
RPF Constable 2024 Official Paper (Held On 03 Mar, 2025 Shift 1)
Answer (Detailed Solution Below)
Option 4 : 42 किमी/तास
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Download Solution PDFदिलेले आहे:
निम्म्या अंतरासाठी वेग (S1) = 28 किमी/तास
उर्वरित निम्म्या अंतरासाठी वेग (S2) = 84 किमी/तास
वापरलेले सूत्र:
सरासरी वेग = 2 × S1 × S2 / (S1 + S2)
गणना:
सरासरी वेग = 2 × 28 × 84 / (28 + 84)
⇒ सरासरी वेग = 2 × 28 × 84 / 112
⇒ सरासरी वेग = 2 × 21
⇒ सरासरी वेग = 42 किमी/तास
∴ पर्याय (4) योग्य आहे.
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