GRE Exam Numerical Ability Number System

If a positive integer n, divided by 5 has a remainder 2, which of the following must be true?
Select ALL such statements.

A. n is odd
B. n + 1 cannot be a prime number
C. (n + 2) divided by 7 has remainder 2
D. n + 3 is divisible by 5

Read Solution (Total 2)

Take 7 and it works for all choices
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option d is the only answer
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GRE Other Question

If the product of 8 integers is negative, at most how many of the integers can be negative? A solid cube of side 6 is first painted pink and then cut into smaller cubes of side 2. How many of the smaller cubes have paint on exactly 2 sides?

A. 30
B. 24
C. 12
D. 8
E. 6