Problems And Solutions Future Intelligence Student Olympiad (1-2 grades)

16. Find the ?

83 – = 29

A) 42
B) 44
C) 50
D) 54

17. How many same squares are there?

A) 10
B) 13
C) 15
D) 25

18. The square weights is

A) 2
B) 4
C) 6
D) 7

19. Add the numbers

A) 537
B) 573
C) 527
D) 547

20. How many sides does this figure have?

A) 10
B) 9
C) 8
D) 7