एक व्यक्ती P ते Q पर्यंत 50 किमी/तास वेगाने प्रवास करते आणि त्याचा वेग 60% वाढवून परत येते. तर दोन्ही सहलींसाठी त्याचा सरासरी वेग किती आहे?

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SSC CGL 2022 Tier-I Official Paper (Held On : 05 Dec 2022 Shift 3)
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  1. 35.61 किमी/तास 
  2. 61.53 किमी/तास
  3. 31.56 किमी/तास
  4. 16.53 किमी/तास

Answer (Detailed Solution Below)

Option 2 : 61.53 किमी/तास
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Detailed Solution

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दिलेले आहे:

एक व्यक्ती P ते Q पर्यंत 50 किमी/तास वेगाने प्रवास करते आणि त्याचा वेग 60% वाढवून परत येते.

वापरलेली संकल्पना:

सरासरी वेग = 2S1S2/(S+ S2)

येथे S1S2 ही गती आहे

गणना:

परत येण्याच्या वेळी गती = 50 × 160%

⇒ 80 किमी/तास 

सरासरी वेग = (2 × 50 × 80)/(50 + 80)

⇒ 8000/130

⇒ 61.53

दोन्ही ट्रिपसाठी सरासरी वेग 61.53 किमी/तास आहे.

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