Preparing for a Maths Olympiad, school entrance exam, or mental ability test requires strong fundamentals in addition, number patterns, tables, logical reasoning, word problems, and critical thinking. This practice worksheet is specially designed for students preparing for Olympiad exams, NTSE foundation, scholarship tests, CBSE maths practice, and primary aptitude competitions.
These 50 carefully designed maths questions are inspired by popular Olympiad-style arithmetic problems and focus on:
- Addition and subtraction
- Number patterns
- Input-output tables
- Logical reasoning
- Word problems
- Properties of addition
- Critical thinking maths
- Mental maths practice
These questions are ideal for:
- Math Olympiad preparation
- IMO practice worksheets
- School maths competitions
- Foundation maths learning
- Fast calculation practice
- Scholarship exam preparation
50 Maths Olympiad Practice Questions
Basic Addition Questions
1.
Riya has 34 stickers and Aarav has 56 stickers. How many stickers do they have altogether?
(a) 80
(b) 90
(c) 100
(d) 110
2.
A fruit seller sold 145 apples in the morning and 167 apples in the evening. How many apples were sold in total?
(a) 302
(b) 312
(c) 322
(d) 332
3.
A school library bought 245 story books and 175 science books. How many books were bought altogether?
(a) 410
(b) 420
(c) 430
(d) 440
4.
A bus travelled 235 km on Monday and 145 km on Tuesday. What is the total distance travelled?
(a) 360 km
(b) 370 km
(c) 380 km
(d) 390 km
5.
A toy shop sold 89 dolls and 121 toy cars in a week. How many toys were sold?
(a) 200
(b) 210
(c) 220
(d) 230
Number Pattern Questions
6.
Fill in the blanks:
___ + 5 = 9
___ + 50 = 90
___ + 500 = 900
(a) 4, 40, 400
(b) 5, 50, 500
(c) 3, 30, 300
(d) 2, 20, 200
7.
Which numbers complete the pattern?
___ + 7 = 10
___ + 70 = 100
___ + 700 = 1000
(a) 3, 30, 300
(b) 2, 20, 200
(c) 5, 50, 500
(d) 4, 40, 400
8.
Find the missing numbers:
___ + 8 = 12
___ + 80 = 120
___ + 800 = 1200
(a) 2, 20, 200
(b) 4, 40, 400
(c) 6, 60, 600
(d) 8, 80, 800
9.
Complete the pattern:
___ + 9 = 15
___ + 90 = 150
___ + 900 = 1500
(a) 5, 50, 500
(b) 6, 60, 600
(c) 7, 70, 700
(d) 8, 80, 800
10.
Find the correct numbers:
___ + 4 = 11
___ + 40 = 110
___ + 400 = 1100
(a) 7, 70, 700
(b) 6, 60, 600
(c) 5, 50, 500
(d) 4, 40, 400
Input-Output Table Questions
11.
Input → Output
234 → 244
345 → 355
456 → 466
What is the rule?
(a) Add 5
(b) Add 10
(c) Add 12
(d) Add 15
12.
Input → Output
567 → 577
678 → 688
789 → 799
What is the rule?
(a) Add 9
(b) Add 10
(c) Add 11
(d) Add 12
13.
Input → Output
145 → 160
225 → 240
315 → 330
What is the rule?
(a) Add 10
(b) Add 12
(c) Add 15
(d) Add 20
14.
Input → Output
456 → 476
389 → 409
520 → 540
What is the rule?
(a) Add 15
(b) Add 18
(c) Add 20
(d) Add 25
15.
Input → Output
129 → 139
239 → 249
349 → 359
What is the rule?
(a) Add 8
(b) Add 9
(c) Add 10
(d) Add 11
Fill in the Table Questions
16.
Rule: Add 25
| Input | Output |
|---|---|
| 125 | ___ |
| 200 | 225 |
| 340 | 365 |
(a) 140
(b) 145
(c) 150
(d) 155
17.
Rule: Add 30
| Input | Output |
|---|---|
| 170 | ___ |
| 250 | 280 |
| 320 | 350 |
(a) 190
(b) 195
(c) 200
(d) 205
18.
Rule: Add 18
| Input | Output |
|---|---|
| 82 | ___ |
| 120 | 138 |
| 240 | 258 |
(a) 90
(b) 98
(c) 100
(d) 108
19.
Rule: Add 14
| Input | Output |
|---|---|
| 95 | ___ |
| 120 | 134 |
| 300 | 314 |
(a) 107
(b) 108
(c) 109
(d) 110
20.
Rule: Add 40
| Input | Output |
|---|---|
| 560 | ___ |
| 230 | 270 |
| 190 | 230 |
(a) 580
(b) 590
(c) 600
(d) 610
Word Problems
21.
Neha collected 245 shells and her brother collected 178 shells. How many shells did they collect in all?
(a) 413
(b) 423
(c) 433
(d) 443
22.
A train travelled 325 km in the morning and 275 km in the evening. What distance did it travel altogether?
(a) 590 km
(b) 600 km
(c) 610 km
(d) 620 km
23.
A farmer harvested 123 mangoes and 234 oranges. How many fruits were harvested?
(a) 347
(b) 357
(c) 367
(d) 377
24.
There are 456 boys and 378 girls in a school. What is the total number of students?
(a) 824
(b) 834
(c) 844
(d) 854
25.
A shopkeeper sold 155 notebooks and 245 pens. How many items were sold?
(a) 390
(b) 400
(c) 410
(d) 420
Critical Thinking Questions
26.
Which statement is correct?
(a) 45 + 0 = 0
(b) 45 + 0 = 45
(c) 45 + 1 = 45
(d) 0 + 0 = 1
27.
The addition of two even numbers is always:
(a) Odd
(b) Even
(c) Prime
(d) Zero
28.
Choose the incorrect option:
(a) 15 + 25 = 20 + 20
(b) 30 + 40 = 35 + 35
(c) 50 + 20 = 45 + 25
(d) 60 + 30 = 50 + 20
29.
According to the commutative property:
(a) 12 + 15 = 15 + 12
(b) 25 + 10 = 10 + 20
(c) 30 + 5 = 20 + 5
(d) 14 + 1 = 10 + 1
30.
Which equation is true?
(a) 23 + 17 = 30
(b) 25 + 25 = 40
(c) 18 + 12 = 30
(d) 11 + 10 = 25
Mental Maths Questions
31.
456 + 123 = ?
(a) 569
(b) 579
(c) 589
(d) 599
32.
789 + 111 = ?
(a) 890
(b) 900
(c) 910
(d) 920
33.
345 + 222 = ?
(a) 557
(b) 567
(c) 577
(d) 587
34.
678 + 101 = ?
(a) 769
(b) 779
(c) 789
(d) 799
35.
908 + 92 = ?
(a) 990
(b) 995
(c) 1000
(d) 1005
Route & Distance Questions
36.
Aman walks 350 m to the park and then 275 m to the library. How far did he walk?
(a) 615 m
(b) 625 m
(c) 635 m
(d) 645 m
37.
A cyclist travelled 420 m and then another 180 m. What is the total distance?
(a) 580 m
(b) 590 m
(c) 600 m
(d) 610 m
38.
Sara walked 225 m to school and 225 m back home. Total distance?
(a) 440 m
(b) 445 m
(c) 450 m
(d) 455 m
39.
A delivery boy travelled 145 km in one city and 355 km in another. Total distance?
(a) 490 km
(b) 500 km
(c) 510 km
(d) 520 km
40.
A bus covered 275 km in the morning and 425 km in the evening. Total distance?
(a) 680 km
(b) 690 km
(c) 700 km
(d) 710 km
Mixed Olympiad Questions
41.
Find the missing number:
450 + ___ = 700
(a) 200
(b) 250
(c) 300
(d) 350
42.
Which pair gives the greatest sum?
(a) 120 + 230
(b) 340 + 210
(c) 410 + 205
(d) 500 + 130
43.
What is the sum of the smallest 2-digit number and greatest 1-digit number?
(a) 18
(b) 19
(c) 20
(d) 21
44.
Add:
234 + 567 + 123 = ?
(a) 914
(b) 924
(c) 934
(d) 944
45.
Which number should be added to 250 to get 500?
(a) 200
(b) 220
(c) 240
(d) 250
46.
If 125 children are in a school hall and 45 leave, how many remain?
(a) 70
(b) 75
(c) 80
(d) 85
47.
A basket has 55 apples, 35 oranges, and 10 bananas. Total fruits?
(a) 90
(b) 95
(c) 100
(d) 105
48.
Find the sum:
999 + 1 = ?
(a) 100
(b) 1000
(c) 1001
(d) 9999
49.
What comes next?
10, 20, 30, 40, ___
(a) 45
(b) 50
(c) 55
(d) 60
50.
Choose the correct statement:
(a) Addition changes when numbers are swapped
(b) 0 added to any number gives the same number
(c) Even + Even = Odd
(d) 10 + 10 = 15
These 50 Maths Olympiad practice questions are excellent for students preparing for:
- IMO (International Mathematics Olympiad)
- School scholarship exams
- Math aptitude tests
- Foundation maths competitions
- Primary and middle school Olympiads
Practice daily to strengthen your concepts and improve your performance in competitive maths exams.
