I am an odd number. Take away one letter and I become even. What number am I?
An apple is 40 cents, a banana is 60 cents and a grapefruit is 80 cents. How much is a pear?
40 cents. The price of each fruit is calculated by multiplying the number of vowels by 20c
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
I must be 23 if my father is twice as old as me
Mr. Smith has 4 daughters. Each of his daughters has a brother. How many children does Mr. Smith have?
How can you add eight 8's to get the number 1000?
888 + 88 + 8 + 8 + 8 = 1000
A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?
The ball costs 5c
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
In two years I know, I'll be twice as old as five years ago, said Tom. How old is Tom?
I am as simple as a circle, worthless as a leader; but when I follow a group, their strength increases tenfold. By myself I'm practically nothing. What am I?