The number of mobiles sim-card owners in 4 states/UT are given in the bar diagram. Study the diagram and answer the question.

The average of sim-card sold in the four States/UT in lakhs is:

This question was previously asked in
SSC CGL 2022 Tier-I Official Paper (Held On : 06 Dec 2022 Shift 1)
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  1. 51.5
  2. 51.25
  3. 50
  4. 55.25

Answer (Detailed Solution Below)

Option 2 : 51.25
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SSC CGL Tier 1 2025 Full Test - 01
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Detailed Solution

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Given:

Bar diagram

Concept used: 

Average = Sum of observation / Number of observations

Calculation:

Sum of observation = (20 + 15 + 25) + (25 + 20 + 15) + (15 + 10 + 20) + (10 + 25 + 5)

205

Total Number of observations = 4

Average = 205/4 = 51.25

∴ The average of sim-card sold in the four States/UT in lakhs is 51.25

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