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GRE Sample Test 1 Quantitative Reasoning 1
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© examsnet.com
Question : 10
Total: 20
4
13
−
4
12
4
11
0
1
4
12
16
Validate
Solution:
Because
4
12
is a common factor of both
4
13
and
4
12
, you can rewrite the numerator as
4
12
(
4
−
1
)
. Now look at the whole fraction:
4
12
(
4
−
1
)
4
11
.
You can divide
4
12
by
4
11
, leaving you with
4
1
(
4
−
1
)
. Now the calculation should be much easier: 4 × 3 = 12, (D).
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