a) 566
b) 496
c) 596
d) 450
e) 456
2. 19 16 44 107 ?
a) 108
b) 156
c) 215
d) 151
e) 251
3. 11 14 23 50 ?
a) 111
b) 121
c) 151
d) 131
e) 141
4. 19 25 42 71 113 ?
a) 169
b) 153
c) 186
d) 196
e) 269
5. 21 35 30 44 39 ?
a) 59
b) 53
c) 55
d) 45
e) 46
Answers:
1. e) 456Solution:
8 x 0.5 + 0.5 = 4.5
4.5 x 1 + 1 = 5.5
5.5 x 2 + 2 = 13
13 x 4 + 4 = 56
56 x 8 + 8 = 456
2. c) 215
Solution:
3. d) 131
Solution:
11 + 31 = 11 + 3 = 14
14 + 32 = 14 + 9 = 23
23 + 33 = 23 + 27 = 50
50 + 34 = 50 + 81 = 131
4. a) 169
Solution:
5. b) 53
Solution:
21 + 14 = 35
35 – 5 = 30
30 + 14 = 44
44 – 5 = 39
39 + 14 = 53
Thanks.