.3) 1676 4) 1898 IDirecllon(31-50) z/n each of the following questions. 21. 450,457,411.492.520, ? f I a number series i
NUMBER SERIES
Example ~1 : Which is the number that comes next in the sequence. 2,'10, 30,68, 130, ? .
1) 220 3) 322 Solution:
.3) 180
4) 420
8. 16, 64. 384, -,---,?,--1) 3027
2} 2()72
3) .3072
4) 4017
(2)
5.
Clearly the given series is
5, 5, 7, 13,28,
13+1, 23+2, 33+3, 43+4, 53+5 and 63+6 and
I} 39
So, The next number is 63+6=216+6=222
3) 48
? 10, 12, 18,30, 50, --2) 78 1) 80 3) 87 4}90
7.
37,38,46,
in the
4,9, 25, ?, 121, 169
1)45
2)49
3) 51
4) 40
st
following sequence;
Solution; (B)
8.
ue
Clearly, the given sequence is as follows : 22,32,52,72,
112, 132
np
number
4) 58
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Find out the missing
2) 49
6. Example - 2 : 2.
?
ap
Hence the answer is (2).
73. 137, _.~ __
I} 262
2)372
3) 268
4) 292
5, 5, 40, 1080,
?
1) 68130
2) 69210
3) 78410
-4) 69120
cq
(i.e.) Squares of Prime Numbers.
Directions (1-30) : In each of the following questions a
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4.
2) 222 4) 120
2) 3f)O
er
1.
1) 630
s. co m
TYPE 2
number series is given with one term missing. Choose
9.
63,65,68,73,80,
---?
1) 95 3) 98
2) 91 4} lOS
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the correct alternative that will continue the same patterna and fill in the blank spaces. 64,67,73,81
ww w.
1.
2.
3.
?
1) 90
2) 91
3) 83
4) 95
343,345,349,357,
?
1) 367
2) 373
3) 413
4} 716
3, 3, 6, 18, 72,
?
10. 3, 6, 18,90, 630,
.__ L
1) 6980
2) 780
3) 1250
4) 6930
11. 151, 153, 159, 171, 1) 210
? 2) 190
3) 191
4) 211
12. 5, 5, 20, 180,'
?
1) 788
2) 360
3) 2880
4) 4770
1) 90645
2) 229376
43,54,76.109,153, 1) 802
3) 15678
4} 465788
3) 210
?
123.
l~~- 625,626.630,657,913.
-.j '/3
2) 75
1) 379
~.l 76
4) 78
3) 741
4) 567
26. 50. 52, 57. 75,
2) 258
3} 450
4) 750
2) -121
'116
4) -116
'-3)
~f~) 433.4~4>430.457.201,
4} 5004
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ue
3} 4316
2) 27
51
4) 818
28. 4, 9, 25,49, 121, 1) 196
? 2} 216
3) 325
4} 169 ?
1) 90
2} 80
3) 98
4) 100
30. 5, 10, 23. 48, 89,
ww w.
1i, 122.344,611, 1121, ? . 1) 1766 2; 2458 j
4) 1898
21. 450,457,411.492.520,
~:;,~:1t
4) 540
4j 41
.3) 1676
111-,;,:".1'"
3) 140
29. 0,4.18.48,
108. _J__
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,.3)
jo';j,
?
2} 3326
'1) 72,
2) 240
3) 415
.0 3126
81,90.81.
1) 180
? 27. 30,55,105,180.280, 2) 405 1) 390
?
1) 106
?
np
u 158
ap
?
33..34, 42. 69. 133.
er
25. 47 51. 77, 141.
?
li· ," 35, 36. ~8, 55, -9,
.~•.:'~
4) 745
io
"'~
2) 514
? . 2) 397
2-; 360
I} 43
2) 51
3) 270
4) 165
3j 41
4) 49
..t...l
r-:
60. 5, 25, 125, 625,
_
I
63. 3,15,35,
56. 3. 9. 27, 81, __ L__,729
_
4) 23
1) 60
55. 3,1,12,
_~
3} 18
,40,20
?
54. 11,8,13,
-'7
I
162.
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53. 320,160,
:J r ;
2) 24
I
,142
?
,25
?
1) 22
1
J~ 1224
17,14,21,
.c om
}
161.
rs
? 51. 30,960,33,1089,36, 2244 2) 1242
?
,15625
70. 2,7,20,61,182,
?
1) 2125
2) 3125
1) 547
2) 646
3'! 1225
4) 2225
3) 546
4) 447
~ __
~w·
80. 3, 11, 22, 36, 53, ..
?
1) 312 ,
2) 300
1) 65
2) 97
3) 215
4) 99
3) 80
4) 73
72. 13,1,15,9,19,25,21,49,25,
81. 53,44,36,29,23,
?
?
1) 62
2) 64
1) 17
2) 18
3) 81
4) 75
3) 19
4) 16
1) 1236
2) 2458
1) 267
3) 4836
4) 5049
3) 453
2) 168
3) 192
4) 208 ?
1) 78
2) 69
3) 77
4) 82
76. 479,310,431,350,399,374, 2)A83
3) 383
4) 504
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77. 4, 6, 16, 54, 224, . ?
i130
5'
9 25' 125'
?
125 1) 27
81 2) 125
12 3) 625
27 4) 625
84.
2
3
4
js' "5' 5.J5'
5 25'
6 1) 5J5 6 3) 125
? 6 2) 2515 7 4) 25
2) 685
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3)
?
qu
1) 452
1) 1250
1 3
ti
75. 7,9,15,27,47,
83.
4) 278
on
1) 187
2)368
pa
?
es
74. 6,3,3, 6, 24,
?
rs
82. 5, 8, 17, 44, 125,
?
pe
73. 4,5,12;39.160,805,
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11. 5,8,22,75,
ww w.
78. 44, 43, 45, 42, 46,
4) 789
85. II! 12! 14! 16!, 9' 2' 7' 3 ?
1) 40
2) 41
3) 48
4) 43
79. 2,3, 7, 16,32,
?
1) 67
2} 63
3) 57
4) 59
?
1 1) 83
2) 911
3) 10
4) 20
1
