Number Series, Simplification, Approximation - Question Bank

1. Approximate the value of 99999 / 10001
A) 0.9
B) 1
C) 1.1
D) 1.2
2. Calculate: 10000 / 25
A) 300
B) 350
C) 400
D) 450
3. What is the next number in the series: 100, 90, 81, 73, 66, ?
A) 60
B) 61
C) 62
D) 63
4. Find the missing number in the series: 1, 3, 6, 10, 15, ?
A) 18
B) 20
C) 21
D) 22
5. Determine the next term in the series: 1, 6, 13, 22, 33, ?
A) 44
B) 46
C) 48
D) 50
6. What is the next number in the series: 1, 5, 14, 30, 55, ?
A) 85
B) 91
C) 95
D) 101
7. Find the missing term in the series: 6, 10, 18, 34, 66, ?
A) 128
B) 130
C) 132
D) 134
8. Identify the next number: 2, 8, 18, 32, 50, ?
A) 70
B) 72
C) 74
D) 76
9. What is the next number in the series: 5, 15, 25, 35, 45, ?
A) 50
B) 55
C) 60
D) 65
10. Find the missing term: 10, 12, 16, 22, 30, ?
A) 38
B) 40
C) 42
D) 44
11. What is the next number in the series: 11, 22, 33, 44, 55, ?
A) 60
B) 66
C) 77
D) 88
12. Simplify: 5000 - 1234 + 6789
A) 10555
B) 10554
C) 10556
D) 10553
13. Find the approximate value of 75.01 * 19.99
A) 1500
B) 1501
C) 1499
D) 1502
14. Calculate: 123 * 99
A) 12177
B) 12178
C) 12176
D) 12179
15. What is 35% of 200?
A) 65
B) 70
C) 75
D) 80
16. Simplify: 3456 + 7890 - 1234
A) 10112
B) 10111
C) 10113
D) 10110
17. Approximate the value of 1999 + 2005 - 998
A) 3006
B) 3007
C) 3008
D) 3005
18. Calculate 20% of 450
A) 80
B) 85
C) 90
D) 95
19. What is the value of 567 * 1001?
A) 567567
B) 567568
C) 567566
D) 567569
20. Simplify: 98765 + 12345 - 67890
A) 43220
B) 43221
C) 43219
D) 43222
21. Calculate: 7890 * 9
A) 71010
B) 71011
C) 71012
D) 71013
22. What is the next number in the series: 2, 3, 5, 7, 11, ?
A) 12
B) 13
C) 14
D) 15
23. Find the missing number in the series: 1, 4, 10, 19, 31, ?
A) 43
B) 45
C) 46
D) 48
24. Determine the next term in the series: 10, 18, 28, 40, 54, ?
A) 68
B) 70
C) 72
D) 74
25. What is the next number in the series: 6, 11, 21, 36, 56, ?
A) 81
B) 86
C) 91
D) 96
26. Find the missing term in the series: 4, 16, 36, 64, 100, ?
A) 121
B) 144
C) 169
D) 196
27. Identify the next number: 1, 8, 27, 64, 125, ?
A) 180
B) 216
C) 243
D) 256
28. What is the next number in the series: 3, 9, 27, 81, ?
A) 162
B) 243
C) 256
D) 729
29. Find the missing term: 7, 10, 15, 22, 31, ?
A) 40
B) 42
C) 44
D) 46
30. Which number comes next in the series: 1, 2, 4, 8, 16, ?
A) 24
B) 28
C) 32
D) 36
31. Find the result of 75% of 120
A) 80
B) 85
C) 90
D) 95
32. Calculate: 999 * 56
A) 55944
B) 55945
C) 55943
D) 55946
33. What is the approximate value of 49.98 * 60.02?
A) 2999
B) 3000
C) 3001
D) 3002
34. Simplify: 12345 + 67890 - 54321
A) 25814
B) 25815
C) 25816
D) 25813
35. Calculate: 25% of 800
A) 190
B) 200
C) 210
D) 220
36. Approximate the value of 5987 + 3001 - 1012
A) 7976
B) 7977
C) 7978
D) 7975
37. What is 15% of 250?
A) 37.5
B) 37
C) 38
D) 36.5
38. Calculate the value of 789 * 101
A) 79689
B) 79690
C) 79688
D) 79691
39. Simplify: 5678 + 9876 - 3456
A) 12098
B) 12097
C) 12099
D) 12096
40. What is the value of 12345 * 9999?
A) 123437655
B) 123437654
C) 123437656
D) 123437657
41. Identify the next term in the series: 0, 5, 10, 15, 20, ?
A) 22
B) 24
C) 25
D) 30
42. What is the next number in the series: 10, 20, 30, 40, 50, ?
A) 55
B) 60
C) 65
D) 70
43. Find the missing number in the series: 1, 1, 2, 3, 5, 8, ?
A) 11
B) 12
C) 13
D) 14
44. Determine the next term in the series: 2, 6, 12, 20, 30, ?
A) 38
B) 40
C) 42
D) 44
45. What is the next number in the series: 1, 3, 7, 13, 21, ?
A) 29
B) 31
C) 33
D) 35
46. Find the missing term in the series: 5, 10, 15, 20, 25, ?
A) 28
B) 30
C) 35
D) 40
47. Identify the next number in the series: 4, 9, 16, 25, 36, ?
A) 45
B) 49
C) 54
D) 64
48. What is the next number in the sequence: 1, 4, 9, 16, 25, ?
A) 30
B) 36
C) 49
D) 64
49. Find the missing term in the series: 3, 8, 15, 24, 35, ?
A) 46
B) 47
C) 48
D) 49
50. Which of the following is the next number in the series: 2, 5, 10, 17, 26, ?
A) 35
B) 36
C) 37
D) 38
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