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PranjalGMAT
­Found the factors of 240:
1x240, 2x120, 3x80, 4x60, 5x48, 6x40, 8x30, 10x24, 12x20, 15x16

Now,
starting putting n value from 0 then 1 then 2

So, n=0 : 4(0) + 2 = 2 Yes
n=1 : 4(1) +2 = 6 Yes
n=2: 4(2) + 2 = 10 Yes
n=3: 14 No
n=4 : 18 No
n=5 : 22 No (Increasing by 4 and not divisible by 4)
n=6 : 26 No (Increasing by 4 and not divisible by 4)
n=7 : 30 Yes
n=8..... no value of n from here is not divisble by 4

So answer is 4; Option A
­
How do you know if any number beyond 8 will not be of the form 4n+2?
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