निर्देश: खालील तक्त्याचा अभ्यास करा आणि खालील प्रश्नाचे उत्तर द्या.

शहर

लोकसंख्या

साक्षर

निरक्षर

साक्षरांची %

A

200

150

50

-

B

-

200

100

66.6

C

150

50

100

-

D

120

-

90

25

दिलेल्या माहितीच्या आधारे, चार शहरांमधील साक्षरांची एकूण टक्केवारी, एक दशांश पर्यंत पूर्णांकन केली जाते, ती ______ आहे.

This question was previously asked in
RRB ALP Previous Paper 5 (Held On: 10 Aug 2018 Shift 3)
View all RRB ALP Papers >
  1. 55.7
  2. 55
  3. 55.8
  4. 55.9

Answer (Detailed Solution Below)

Option 3 : 55.8
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Detailed Solution

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शहर A ची लोकसंख्या = 200

शहर A मधील साक्षर = 150

शहर B ची लोकसंख्या = 200/ (2/3) × 100 = 300

शहर B मधील साक्षर = 200

शहर C ची लोकसंख्या = 150

शहर C मधील साक्षर = 50

शहर D ची लोकसंख्या = 120

शहर D मधील साक्षर = 120 × 25/100 = 30

⇒ सर्व शहराची एकूण साक्षर लोकसंख्या = 770

⇒ सर्व शहराची एकूण साक्षर लोकसंख्या = 430

साक्षर लोकसंख्या = 430/770 × 100 = 55.84%

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