1. Divide 40 by a half and add 20. What’s the answer?

2. A salesman at the butcher shop is six feet tall and wears size 10 shoes. What does he weigh?

3. When Alice was 15, her father was 37. Now, her father is twice her age. How old is Alice?

4. A farmer has 19 cows. One day, a heavy storm hits, and all but nine run away. How many cows does the farmer have left?

5.  If 7 turns into 13 and 11 turns into 21, then what does 16 become?

6. You have 900 ml of juice in a bottle, and each cup has a capacity of 100 ml. How many cups will you need to pour the juice evenly in all the cups, filling 0.75 of each cup?

7. How do you write 23 using only the number 2? 

8. A hen was given $10, a spider was given $40, a bee was given $30. How much would be given to a dog? 

9. John went to the market and purchased 12 peaches. On his way home, all but 9 got mashed and ruined. How many peaches are left in good condition? 

10. If it took 6 men 9 hours to build a barn, how long would it take 12 men to build the same barn? 

11. On an alien planet, half of 10 is 6. If the same proportion is true, then what is one-sixth of 30 on this alien planet? 

12. If you multiply this number by any other number, the answer would be the same. What number is this?