International Junior Math Olympiad Grade2_07 on Day:.........Month:..........Year:...........

Total Core =

Question 1: Four basketball teams play each orther once. How many games were played in all ?

A. 8
B. 7
C. 6
D. 4

Question 2: In the series below, starting from the 3^{rd} term, each of the succeeding term is equal to the sum of the two previous terms. What is the 10^{th} number in the series ?

2, 3, 5, 8, 13, 21, 34, ...

Question 3: In the cryptharithm below, different letters stand for different digits. Find the value of TIME

Question 4: Four points P, Q, R and S lie on the same straight line. Point R is 18 units to the right of the point P but 5 unit to the right of points Q. If line segment QS is 20 units, how long is segment PS ?

Question 5: In the Lin family, each of the children has at least 1 brother and at least 1 sister. What is the least number of children in the Lin family ?

Question 6: Khun buys 24 candies. For every dozen she buys, she receives 1 free candy. She can exchange 6 candy wrappers for 1 candy. How many candies did she get in all ?

Question 7: Which set is in order from least to greatest ?

A. 0.1231, 0.1210, 0.2131, 1.0012

B. 1.3211, 1.3705, 1.4501, 0.9123

C. 0.5, 0.612, 0.81, 1

D. 12.12, 13.13, 1.313, 21.21

Question 8: Luis wants to set up 221 chairs in rows such that each row must have an equal number of chairs. Which of the following could be the method Luis uses to set up the chairs?

A. 20 rows of 21 chair

B. 21 rows of 20 chair

C. 19 rows of 9 chair

D. 17 rows of 13 chair

Question 9: Find the number of triangles in the figure below