1) 0, 6, 24, 60, 120, 210, ?
a) 290
b) 240
c) 336
d) 504
e) None of these
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Answer c)336
The pattern is as follows
03 – 0 = 0
23 – 2 = 6
33 – 3 = 24
43 – 4 = 60
53 – 5 = 120
63 – 6 = 210
73 – 7 = 336
? = 336
2) 3, 15, 35, 63, ?, 143
a) 120
b) 110
c) 99
d) 91
e) None of these
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Answer c)99
The pattern is as follows
3 = 1 × 3 à 15 = 3 × 5
35 = 5 × 7 à 63 = 7 × 9
99 = 9 × 11à 143 = 11 × 13
? = 99
3) 4, 9, 19, 39, 79, ?
a) 159
b) 119
c) 139
d) 169
e) None of these
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Answer a) 159
difference of +5 ,+10 , +20, +40, +80
4) 5, 10, 8, 12, 11, 14, ?, 16
a) 17
b) 13
c) 20
d) 14
e) None of these
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Answer d)14
two alternate series
5,8,11,14
10, 12, 14, 16
5) 3, 6 18, 72, ?
a) 144
b) 216
c) 288
d) 360
e) 152
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Answer d) 360
3*2, 6*3, 18*4, 72*5
6) 24, 60, 120, ?, 110
a) 300
b) 336
c) 420
d) 525
e) 250
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Answer b) 336
difference of difference
+36, +60, +90, +126
+24 +30, +36
7) 5, 16, 51, 158, ?
a) 1452
b) 483
c) 481
d) 1454
e) 1500
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Answer c) 481
5*3+1= 16
16*3+3= 51
51*3+5= 158
158*3+7= 481
8) 4, ?, 144, 400, 900, 1764
a) 25
b) 36
c) 49
d) 100
e) 120
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Answer b) 36
9) 8, 3, 11, 14, 25
a) 50
b) 39
c) 29
d) 11
e) 12
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Answer b) 39
10) 17, 36, 74, 150, ?, 606
a) 250
b) 303
c) 300
d) 302
e) 305
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Answer d) 302