GRE code Flashcards
1
Q
ab < 0 and bc > 0
A
a & b have different signs b & c have different signs Therefore, a & c have different signs
2
Q
Sn = Sn-1 + Sn-2 - 3
A
To get any number in S, add up the two previous numbers and subtract 3
3
Q
What is the greatest integer value of n such that 2^n is a factor…
A
How many 2’s go in….
4
Q
Greatest integer less than 70
A
69
5
Q
Least integer greater than 70
A
71
6
Q
An integer x has no factor m such that 1 < m < x
A
x is prime
7
Q
A
