Find the average of the first fifteen multiples of 11 ........

Quantitative Aptitude (MTS) Average

Find the average of the first fifteen multiples of 11.

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SSC MTS 18th July 2022 Shift-1

35.5

- The first fifteen multiples of 11 are 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, 143, 154, 165.

- To find their average, add them all up and divide by 15.

- The sum of these multiples is 1320.

- Divide 1320 by 15, which results in 88.

- So, the average of these multiples is 88.

Option 3: 88 is the correct answer.

- Option 1: 55 - This is not the correct average.

- Option 2: 35.5 - This is incorrect for the given set.

- Option 4: 77 - This does not match the calculated average.

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