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# List S consists of 10 consecutive odd integers, and list T c

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Joined: 19 Oct 2013
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Re: List S consists of 10 consecutive odd integers, and list T c  [#permalink]

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20 Oct 2018, 03:31
Let the first odd integer be S1

then the list of S will be S1 + S1 + 2 ..... S1 + 18

Let the first even integer be T1

Then the list of T will be T1 + T1 +2 ...... T1+ 8

Since S1 = T1 + 7

Let T1 = 2

S1 = 9
S10 = 2 + 7 + 18 =27

Avg of S = 9 + 27 = 36/2 = 18

T1 = 2
T5 = 10

Avg of T = 12/2 = 6

18 - 6 = 12

Re: List S consists of 10 consecutive odd integers, and list T c &nbs [#permalink] 20 Oct 2018, 03:31

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