1. 6.5, 11, 35, ?, 685 , 4104, 28735
A) 146
B) 136
C) 138
D) 142
E) 144
Answer & Explanation Option B
Pattern:
×2 – 2, ×3 + 3, ×4 – 4, ×5 + 5, ×6 – 6,
2. 132, 152, 176, ?, 244, 292, 352
A) 200
B) 208
C) 206
D) 222
E) 198
Answer & Explanation Option C
Pattern:
Double difference series:
+20, +24, +30, + 38, + 48 + 60
. +4 +6 +8 +10 +12
3. 240, ?, 120, 40, 10, 2
A) 80
B) 120
C) 240
D) 200
E) 160
Answer & Explanation Option C
Pattern:
÷1, ÷2, ÷3, ÷4, ÷5,
4. 12, 19, 38, ?, 136, 227, 354
A) 85
B) 88
C) 105
D) 75
E) 82
Answer & Explanation Option D
Pattern:
+7 +19 +37 +61 +91 +127
. +12 +18 +24 +30 +36
5. 103, ?, 129, 166, 227, 318
A) 107
B) 110
C) 119
D) 118
E) 120
Answer & Explanation Option B
Pattern:
+7 +19 +37 +61 +91
. +12 +18 +24 +30
6. 20, 5, ?, 2.5, 5, 20
A) 3.50
B) 10
C) 2.5
D) 1.50
E) 4
Answer & Explanation Option C
Pattern:
×0.25, ×0.50, ×1, ×2, ×4,
7. 11,24,51,89,141,206
A) 141
B) 24
C) 51
D) 89
E) None of these
Answer & Explanation Option C
Pattern:
+13, +26, +39, +52, +65
8. 14, 70, 98, 112, 119, 121.5
A) 98
B) 121.5
C) 119
D) 70
E) None of these
Answer & Explanation Option B
Pattern:
+56, +28, +14, +7, +3.5
9. 17, 187, 332, 458, 555, 637
A) 555
B) 458
C) 17
D) 637
E) None of these
Answer & Explanation Option B
Pattern:
+ (132 +1), + (122 +1), + (112 +1), + (102 +1)
10. 14, 33, 104, 420, 2110
A) 420
B) 433
C) 411
D) 1172
E) None of these
Answer & Explanation Option A
Pattern:
×2 + 5, ×3 + 5, ×4 + 5, ×5 + 5