Numbers & Operations — Quiz 1

Questions in this quiz (10)

1. Set T = {-3.2 , -1 , 0 , 2.5 , 4 , 6}How many members of set $$T$$ are integers?

   • 6
   • 5
   • 4
   • 3

2. Set $$T = \{-9,\ 0,\ 2,\ 3,\ 6,\ 11\}$$How many members of set $$T$$ are prime numbers?

   • 1
   • 0
   • 2
   • 3

3. Set T = {-10 , -7.5 , -3 , -1 , 2 , 6}How many members of set $$T$$ are greater than $$-4$$?

   • 5
   • 4
   • 3
   • 2

4. How many prime numbers are factors of 30?

   • 2
   • 1
   • 3
   • 0

5. If $$n$$ is an even number, what is the next odd number greater than $$3n+1$$?

   • $$3n$$
   • $$3n+3$$
   • $$3n+2$$
   • $$3n+4$$

6. Which of the following numbers has the greatest value?

   • $$0.0054$$
   • $$0.054$$
   • $$0.045$$
   • $$0.0405$$

7. If $$m$$ is an even integer and $$n$$ is an odd integer, which of the following expressions must be even?

   • $$mn$$
   • $$m+n$$
   • $$m^2+n^2$$
   • $$n(m+n)$$

8. If $$m$$ is an even integer and $$m\ne2$$, then $$m-1$$ cannot be:

   • Odd
   • Zero
   • Prime
   • Negative

9. For the number $$5821.746$$, what is the sum of the hundreds digit and the hundredths digit?

   • $$14$$
   • $$11$$
   • $$10$$
   • $$12$$

10. If $$n$$ is an even integer, then $$3n+1$$ must be:

    • $$even$$
    • $$odd$$
    • $$zero$$
    • divisible by 3