Asian Science and Math Olympiad (ASMO) 2018 For Grade 1

ASMO

11. The sum of the 3 numbers in the boxes is 291.

Find the value of A.
A) 99
B) 98
C) 144
D) 196
E) 271


A


12. 21 +  = X
Given that X is an odd number, what number should be filled in the box?

A) 1
B) 3
C) 5
D) 7
E) 4


E


13. Now is 2 o’clock.

what time is 8 hours ago?


A.

B.
C.
D.

E.


A


14. 148 is an integer. Find the sum of 3 digits.

A) 50
B) 30
C) 20
D) 13
E) 10


D


15. Two hours and a half is equal to how many minutes?

A)120
B) 30
C) 60
D)150
E) 160


D


16.

how to arrange the beads in the box?


B


17. Which of the following series is different from the other three series?

A) 1,3,5,7,9
B) 2,4,6,8,10
C) 16,18,20,22,24
D) 4,8,12,16,20
E) 32,34,36,38,40


D


18. Sarah is 7 years old this year, Rebecca is 12 years old. What is the sum of their age after 5 years?

A) 22
B) 29
C) 30
D) 43
E) 44


B


19. 21,24,28,X,35,Y
Please find out the difference between Y and X in the series.

A) 2
B) 4
C) 5
D) 8

E) 7


E


20. Which figure has the largest ratio of the blank space?


A



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