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The average (arithmetic mean) of 5 distinct, single digit integers is

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Re: The average (arithmetic mean) of 5 distinct, single digit integers is [#permalink]

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New post 10 Aug 2017, 01:01
What is tested is whether you are able to figure out the solution by considering all the conditions given.

Statement 1:

The three consecutive primes could be, 2, 3,5. The remaining numbers can only be 6 and 9. But we need three numbers that add up to 13 which we do not have in this case. Condition not satisfied.

The other possibility is the three consecutive primes could be 3,5 and 7. Then the other two numbers are 4 and 6. This satisfies all the conditions. So sufficient

Statement 2:

The least of all is 3. The remaining 4 numbers should add up to 22 and satisfy the other conditions. The numbers can only be 4,5,6,7. So sufficient.

Answer D.
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Re: The average (arithmetic mean) of 5 distinct, single digit integers is [#permalink]

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New post 13 Sep 2017, 00:18
For the 2nd statement
The case 3,5,8,2,7 is also valid
Total 25 avg 5
Remove 8,5 avg 4

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Re: The average (arithmetic mean) of 5 distinct, single digit integers is   [#permalink] 13 Sep 2017, 00:18

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