AOPS PRE-ALGEBRA

• -1

• -2

• 1

• 0

How many positive perfect squares are less than 10,000?

• 101

• 100

• 99

• 200

• 1

• 1/4

• 1/2

• 2

• 3

Which one of the following four-digit numbers is not divisible by 4: 2544, 2554, 2564, 2572, or 2576?

• 2564

• 2572

• 2554

• 2576

• 125

• 331

• 330

• 336

gcd(970, 485, 1330)

• 2

• 5

• 3

• 6

What is the greatest odd factor of 12,024?

• 1380

• 1449

• 1500

• 1503

40 is 2/3 of what number?

• 60

• 40

• 55

• 70

• 16/49

• 4/7

• 7/4

• i love fractions