P आणि Q हे एक काम वैयक्तिकपणे 6 आणि 8 दिवसांत पूर्ण करू शकतात. ते दोघेही R च्या मदतीने ते काम 3 दिवसांत पूर्ण करतात. जर एकूण वेतन 3200 रुपये असल्यास R ला किती वेतन द्यावे लागेल?

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RRB JE Previous Paper 5 (Held On: 23 May 2019 Shift 3)
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  1. 375 रुपये
  2. 400 रुपये
  3. 1200 रुपये
  4. 320 रुपये

Answer (Detailed Solution Below)

Option 2 : 400 रुपये
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समजा एकूण काम = (6, 8 आणि 3) चा लसावि = 24 एकक 

म्हणून, P ची कार्यक्षमता = 4

Q ची कार्यक्षमता = 3

(P + Q + R) ची कार्यक्षमता = 8

म्हणून, R ची कार्यक्षमता = 8 - 4 - 3 = 1 

P, Q आणि R यांच्या कार्यक्षमतेचे गुणोत्तर = 4: 3: 1 

एकूण वेतन = 3200 रुपये

∴ वेतनातील R चा वाटा = 3200 × (1/8) = 400 रुपये
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