### Math Olympiad K1_10 on Day:.........Month:..........Year:...........

Total Core =

Question 1: Eight years ago, Ed was 20 years old. How old is Ed now ?
Question 2: 30 years ago, Sa was 49 years old. How old is Sa now ?
Question 3: 20 years ago, Kim was 55 years old. How old is Kim now ?
Question 4: How many odd number(s) is/are there in the set below ?

1, 5, 100, 59, 60, 70, 71, 2, 4, 8, 45, 65, 8, 4, 7, 9. 11, 53.
Question 5: How many odd number(s) is/are there in the set below ?

5, 4, 6, 7, 9, 12, 4, 8, 12, 15, 17, 63.
Question 6: How many odd number ?

17, 19, 21, 32, 35, 42, 56, 67, 71, 82, 93, 94
Question 7: How many even number?

15, 12, 30, 18, 16, 15, 9, 8, 7, 33, 45, 63
Question 8: How many even number?

8, 10, 12, 13, 15, 17, 19, 31, 35, 42, 43, 53
Question 9: How many odd number?

7, 8, 12, 15, 21, 35, 42, 13, 24, 35, 44, 12, 57.
Question 10: Find the value of number 3 + 5 + 2