IMO Practice Test — Advanced Subtraction
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
medium
Deepa had 72 mangoes sold 38. How many left?
24
34
44
54
Explanation: 72-38=34
Question 2 of 6
medium
Library had 150 books 67 taken. How many remain?
73
83
93
103
Explanation: 150-67=83
Question 3 of 6
hard
200 - 145 = ?
45
55
65
75
Explanation: 200-145=55
Question 4 of 6
medium
Arjun saved Rs.90 spent Rs.53. How much left?
27
37
43
47
Explanation: 90-53=37
Question 5 of 6
hard
100 - ___ = 43. Missing number?
43
47
53
57
Explanation: 100-57=43
Question 6 of 6
hard
Box had 125 crayons. 48 given away 15 broken. Usable?
52
62
72
82
Explanation: 125-48=77 then 77-15=62