Download Grade 10 Number Series

ID : pk-10-Number-Series [1]
Grade 10
Number Series
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Choose correct answer(s) f rom given choice
(1)
(2)
(3)
Find the missing number
8
3
12
9
4
13
25
10
?
a. 37
b. 41
c. 24
d. 50
Find the next term of given sequence ..
14, 49, 158, 487, 1478, 4453, ....
a. 40146
b. 13382
c. 13387
d. 147202
Find the next term of given sequence ..
16, 16, 19, 27, 42, 66, ....
a. 137
b. 101
c. 125
d. 94
(4) Find the missing number
(5)
6
2
10
3
-5
?
a. 20
b. 11
c. 17
d. 2
Find the next term of given sequence ..
11, 35, 109, 335, 1021, ....
a. 3088
b. 3095
c. 3127
d. 3097
(6) Find the next term of given sequence ..
554, 495, 436, 377, 318, 259, 200, ....
a. 141
b. 134
c. 149
d. 82
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ID : pk-10-Number-Series [2]
(7) Find the next term of given sequence ..
3, 6, 27, 78, 171, , ....
(8)
a. 313
b. 325
c. 318
d. 636
Find the missing number
6
4
10
34
26
?
a. 50
b. 60
c. 54
d. 40
(9) Find the next term of given sequence ..
10, 41, 72, 103, 134, 165, 196, ....
a. 221
b. 258
c. 231
d. 227
(10) Find the next term of given sequence ..
5, 13, 25, 41, 61, ....
a. 85
b. 92
c. 91
d. 81
(11) Find the next term of given sequence ..
20, 21, 25, 34, 50, ....
a. 82
b. 75
c. 76
d. 67
(12) Find the next term of given sequence ..
5, 11, 23, 47, 95, 191, ....
a. 390
b. 384
c. 379
d. 383
(13) Find the next term of given sequence ..
19, 21, 24, 29, 36, 47, 60, ....
a. 80
b. 77
c. 83
d. 72
(14) Find the next term of given sequence ..
13, 43, 137, 423, 1285, 3875, ....
a. 11649
b. 11643
c. 34947
d. 11653
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ID : pk-10-Number-Series [3]
(15) Find the missing number
39
9
102
3
-27
?
a. 30
b. 66
c. 61
d. 73
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generated at www.edugain.com
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ID : pk-10-Number-Series [4]
Answers
(1)
a. 37
Pattern: a*n + b ... 12*2 + 13 = 37
(2)
b. 13382
Pattern - Multiply the number by 3 and add successive prime number starting with 7 : 4453 *
3 + 23 = 13382
(3)
b. 101
Pattern - increment the number by n*n -1 where n is the location of term in the series : 66 +
6*6 - 1 = 101
(4) b. 11
Pattern: a*n - b ... 10*2 - 9 = 11
(5)
b. 3095
Pattern - Multiply the number by 3 and add successive numbers with 2^n where n is the
location of term in the series : 1021*3 + 2^5 = 3095
(6) a. 141
Pattern: a - b ... 200 - 59 = 141
(7) c. 318
Pattern of the f orm ax^3 + bx^2 + cx + d . Here a = 2, b = -3, c = -2 and d = 6. 2*6*6*6 + 3*6*6 + -2*6 + 6 = 318
(8)
a. 50
Pattern: a*n + b ... 10*4 + 10 = 50
(9) d. 227
Pattern: a + b ... 196 + 31 = 227
(10) a. 85
Pattern of the f orm 1*1 + 2*2, 2*2 + 3*3 .. 6*6 + 7*7 = 85
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ID : pk-10-Number-Series [5]
(11) b. 75
Pattern - Every term is increased by (n-1)^2 where n is the position of the term ... 50 + 5*5 =
75
(12) d. 383
Pattern - a*n + b ... 191 * 2 + 1 = 383
(13) b. 77
Pattern - Add successive prime numbers : 60 + 17 = 77
(14) a. 11649
Pattern - Multiply the number by 3 and add successive numbers with n*4 where n is the
location of term in the series : 3875*3 + 6 * 4 = 11649
(15) b. 66
Pattern: a - b ... 102 - 36 = 66
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