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What is the remainder when integer k is divided by integer j

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Source: — Data Sufficiency |
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by srcc25anu » Tue May 21, 2013 3:06 am
st1: Case1: K = 9 (# factors = 3) and J = 4 (# factors = 3) Rem (k/j) = 1
Case1: K = 7 (# factors = 2) and J = 5 (# factors = 2) Rem (k/j) = 2
Insufficient

ST2: 1<j<k<10
Insufficient as shown above

Together also INSUFFICIENT
Shown above.

Ans E
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by aaggar7 » Tue May 21, 2013 6:20 pm
1. K and J has the same number of factors.
So,not necessary they will will be prime.For ex can be (3,7) or (6,8)

Not sufficient

2.1 < j < k < 10 -Not sufficient,as there are many such numbers

combining the two:
j=3,k=7 Remainder is 1
j=6,k=8 R is 2.

Answer E
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