1bxAr4FAre You A Mental Math Expert? Take this quiz to see how well you’re able to calculate using only that mind of yours. Careful, put that paper and pencil away – no cheating!

What's the square root of 16 plus the root of 144?

16

14

12

If Train A is going West at 60 miles per hour, and Train B is going East at 30 miles per hour, and they collide after 2 hours, how far apart were the trains to begin with?

160

140

180

Which number comes next in this sequence: 5, 0, -5, ?

0

-10

5

If you add two baker's dozens together, what do you get?

14

24

26

Solve this problem: 1 + 6 * 2 + 1

14

15

21

If John is five inches taller than seven feet, how many inches tall is he?

78

89

87

Jane has five more dolls than Sue. Sue has three less dolls than three dozen. How many dolls does Jane have?

38

26

36

Solve this problem: [(4+5)/(2+1)]*5-1

10

14

12

Which number comes next in this pattern? 1, 1, 2, 3, 5, 8, 13