Some of the questions asked her and her answers are as follows:—
Q. There are ten people to eat dinner. Seven have eaten. For how many must you keep dinner warm?
A. Three.
Q. Suppose you had eight ergographs and sell six. How many would be left?
A. (after twenty-eight seconds’ pondering). Two.
Q. Suppose you had eight Deltas and gave two away. What would you have left?
A. Five.
Q. Suppose there are eight at the table and two leave. How many would remain?
A. (after thirteen seconds). Six.