181
Why is the figure 9 like a peacock?
182
What figure increases its value by one-half when turned upside down?
183
Why is twice ten like two times eleven^
184
From what number can you take half and leave nothing?
185
Add half a score to nothing and what animal does it make?
186
What two numbers multiplied together will give you seven';'
187
Add two figures to 19 and make it less than 20.
188
What is the difference between 100 and 1,000?
189
See if you can put three sixes together so as to make seven
190
What fraction, if you turn it upside down, will have exactly the same value as before you turned it upside down?
Answers:
181. Because without its tail it is nothing (0).
182. The figure 6.
183. Because twice ten is twenty, and two times eleven is twenty too (twenty-two).
184. The number 8. Take away the top half and 0 is left.
185. 0 x (10) added together make ox
186. Few people ever seem to think of these two numbers. They are 7 and 1.
187 19?
188. Nothing (0)
189. 6 6/6
190. 6/9