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# If set Q consists of all three digit numbers divisible by 4, what is

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Joined: 28 May 2014
Posts: 528
GMAT 1: 730 Q49 V41
If set Q consists of all three digit numbers divisible by 4, what is  [#permalink]

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15 Oct 2017, 10:42
1
1
00:00

Difficulty:

45% (medium)

Question Stats:

69% (01:53) correct 31% (02:21) wrong based on 42 sessions

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If set Q consists of all three digit numbers divisible by 4, what is the mean of the set?

(a) 498
(b) 499.5
(c) 548
(d) 549.5
(e) 550

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Re: If set Q consists of all three digit numbers divisible by 4, what is  [#permalink]

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15 Oct 2017, 11:00
3 digit numbers divisible by 4 range from 100 to 996.
Mean = Average of 1st and last term = (100+996)/2=1096/2=548
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Re: If set Q consists of all three digit numbers divisible by 4, what is  [#permalink]

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15 Oct 2017, 18:45
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Set Q divisible by 4= 100,104........996.
In evenly spaced set
Average of Set= $$\frac{1st- term+Last- term}{2}$$

= $$\frac{100+996}{2}$$

= 548

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Re: If set Q consists of all three digit numbers divisible by 4, what is &nbs [#permalink] 15 Oct 2017, 18:45
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