1. How many are three digit numbers where all digits are odd and no digit repeats in the same number?
2. Where the elevators stops more?
There is a 10 stories building. The entrance to the building on the first floor. 1 person lives on the first floor, 2 people on the second, ..., 10 people live on the 10th floor.
Where (on what floor) the elevators stops more?
3. What was the day of the week, March 1 1996?
We know that February 1 1996 was Thursday. What day of the week was March 1 1996?
4. How many black cats who like salmon?
There are 15 cats, 8 of them are black and 8 of them like to eat salmon. How many cats are black and like to eat salmon.
5. What is the sum of all numbers from 101 to 200?
No comments:
Post a Comment