Find the average of 10, 15, 20, 25, and 30.

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Agniveer Navy MR: 22 May 2025 Shift 2 Memory-Based Paper
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  1. 20
  2. 17.5
  3. 15
  4. 22.5

Answer (Detailed Solution Below)

Option 1 : 20
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Agniveer Army GD 22 April 2024 (Shift 1) Memory-Based Paper
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50 Questions 100 Marks 60 Mins

Detailed Solution

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Given:

Numbers = 10, 15, 20, 25, 30

Formula Used:

Average = \(\dfrac{\text{Sum of numbers}}{\text{Count of numbers}}\)

Calculations:

Sum of numbers = 10 + 15 + 20 + 25 + 30

⇒ Sum of numbers = 100

Count of numbers = 5

Average = \(\dfrac{100}{5}\)

⇒ Average = 20

∴ The average of 10, 15, 20, 25, and 30 is 20.

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