GMAT Quantitative Reasoning Practice Test 4

Question : 91 of 100

Marks: +1, -0

A

and

B

are numbers between 1 and 9 . If

A=4 B

than by what number is the two digit number

B A

not divisible?

Solution:

You have two choices:
1)

4=4 × 1

8=4 × 2

.
In the first choice,

(BA = 14)

can be divided by all the numbers except 3. In the second choice,

(BA = 28)

can be divided by all the numbers except 3.

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