खालील सारणीमध्ये सहा सत्रपरीक्षांमध्ये A, B, C, D आणि E या विद्यार्थ्यांनी मिळवलेल्या गुणांची टक्केवारी दिली आहे. दिलेली सारणी काळजीपूर्वक अभ्यासा आणि विचारलेल्या प्रश्नाचे उत्तर द्या.
 
विद्यार्थी

पहिली

सत्रपरीक्षा

दुसरी

सत्रपरीक्षा

तिसरी

सत्रपरीक्षा

चौथी

सत्रपरीक्षा

पाचवी

सत्रपरीक्षा

सहावी

सत्रपरीक्षा

A 74 79 73 78 72 86
B 55 51 68 53 72 69
C 40 43 50 52 60 66
D 59 59 58 57 59 57
E 66 76 71 81 89 92
 

सहा सत्रपरीक्षांसाठी A आणि E च्या एकूण टक्केवारीतील अंदाजित फरक किती?

This question was previously asked in
NTPC CBT-I (Held On: 11 Jan 2021 Shift 1)
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  1. 6%
  2. 2%
  3. 12%
  4. 4%

Answer (Detailed Solution Below)

Option 2 : 2%
Free
RRB NTPC CBT-I Official Paper (Held On: 4 Jan 2021 Shift 1)
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Detailed Solution

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गणना:

सर्व सहा सत्रपरीक्षांमध्ये A या विद्यार्थ्यांने मिळवलेल्या गुणांची टक्केवारी = 74 + 79 + 73 + 78 + 72 + 86 = 462%

सर्व सहा सत्रपरीक्षांमध्ये E या विद्यार्थ्यांने मिळवलेल्या गुणांची टक्केवारी = 66 + 76 + 71 + 81 + 89 + 92 = 475%

सहा सत्रपरीक्षांसाठी A आणि E च्या एकूण टक्केवारीतील अंदाजित फरक = (475% - 462%)/6

⇒ 13/6 = 2.1%

⇒ 2%

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