काही एक रुपया, 50 पैसे आणि 25 पैशांची नाणी मिळून 93.75 रुपये बनतात आणि त्यांची संख्या 3 ∶ 4 ∶ 5 च्या प्रमाणात आहे. प्रत्येक प्रकारच्या नाण्यांची संख्या शोधा.

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RRB ALP CBT I 17 Aug 2018 Shift 2 Official Paper
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  1. 45, 60, 75
  2. 46, 58, 75
  3. 40, 70, 75
  4. 42, 56, 70

Answer (Detailed Solution Below)

Option 1 : 45, 60, 75
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दिलेल्याप्रमाणे:

काही एक रुपया, 50 पैसे आणि 25 पैशांची नाणी मिळून 93.75 रुपये बनतात आणि त्यांची संख्या 3 ∶ 4 ∶ 5 च्या प्रमाणात आहे.

गणना:

एक रुपया, 50 पैसे आणि 25 पैशांच्या नाण्यांची संख्या अनुक्रमे 3x, 4x आणि 5x मानू 

प्रश्नानुसार,

3x × 1 + 4x × 0.50 + 5x × 0.25 = 93.75

⇒ 3x + 2x + 1.25x = 93.75

⇒ 6.25x = 93.75

⇒ x = 93.75/6.25

⇒ x = 15

म्हणून, येथे (3 × 15) म्हणजे 45 एक रुपयाची नाणी, (4 × 15) म्हणजे 60, 50 पैशांची नाणी आणि (5 × 15) म्हणजे 75, 25 पैशांची नाणी आहेत.

∴ एक रुपया, 50 पैसे आणि 25 पैशांची अनुक्रमे 45, 60 आणि 75 नाणी आहेत.

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-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.

-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.

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