Multiple Choice Questions

The average of the natural numbers divisible by 5 from the integers minus 10 to 35 is ........

Quantitative Aptitude (CHSL) Average

The average of the natural numbers divisible by 5 from the integers −10 to 35 is:

This questions was previously asked in

SSC CHSL 30th May 2022 Shift-2

-13.88

17.5

- Identify the numbers divisible by 5: The natural numbers divisible by 5 within the range from -10 to 35 are 5, 10, 15, 20, 25, 30, 35.

- Calculate the average: Sum these numbers: 5 + 10 + 15 + 20 + 25 + 30 + 35 = 140. Count the numbers: there are 7 numbers.

- Compute the average: Average = Total Sum / Number of Terms = 140 / 7 = 20.

- Option Analysis:

- Option 1: -13.88 - Incorrect, average is positive.

- Option 2: 17.5 - Lower than calculated average.

- Option 3: 15 - Lower than calculated average.

- Option 4: 20 - Correct, matches calculated average.

- Option 4: 20 is Correct.

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