एक बूढ़ा व्यक्ति एक कोहरे वाली सड़क पर x किमी/घंटा की गति से चल रहा है। कम दृश्यता के कारण उस व्यक्ति को 600 मीटर तक ही दिखाई देता है। यदि कोई कार 15 किमी/घंटा की गति से पीछे से उस व्यक्ति को ओवरटेक करती है, तो वह व्यक्ति कार को 216 सेकंड तक देख सकता है। व्यक्ति की गति ज्ञात कीजिये। 

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IBPS PO Prelims 23 Sept 2023 Memory Based Paper (Shift 1)
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  1. 2 किमी/घंटा
  2. 3 किमी/घंटा
  3. 4 किमी/घंटा
  4. 5 किमी/घंटा
  5. 6 किमी/घंटा

Answer (Detailed Solution Below)

Option 4 : 5 किमी/घंटा
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IBPS PO 2024 Prelims Full Test 1
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100 Questions 100 Marks 60 Mins

Detailed Solution

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बूढ़े व्यक्ति की दृश्यता = 600/1000 = 0.6 किमी

वह समय जबतक व्यक्ति कार को देख सकता है = 216/(60 × 60) = 0.06 घंटे

प्रश्नानुसार, 0.6/(15 - x) = 0.06

⇒ 15 - x = 10

⇒ x = 5

अतः, सही उत्तर 5 किमी/घंटा है।
Latest IBPS PO Updates

Last updated on Jun 30, 2025

-> The IBPS PO Vacancy 2025 has been released for 5208 Probationary Officer Posts.

-> The Institute of Banking Personnel Selection (IBPS) has officially released the PO Notification 2025 on 30th June 2025.

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