#1.
3 10 22 39 61 ?a) 88
b) 85
c) 66
d) 95
e) 83
#2.
9 14 21 32 45 ?
a) 52
b) 56
c) 72
d) 62
e) 66
#3.
3 1.5 1.5 2.25 4.5 ?
a) 9.5
b) 11.25
c) 12.25
d) 10.45
e) 5.5
#4.
2 4 11 37 153 ?
a) 771
b) 661
c) 551
d) 441
e) 221
#5.
4 4 6 12 24 ?
a) 58
b) 42
c) 40
d) 42
e) 44
Answers:
1. a) 88
Trick: difference upto two lines
Solution:
3…...….10…...…22……....39…......61
…..+7…….+12…….+17…….+22
………+5…….+5……….+5
Ans: 61 + 22+ 5 = 88
2. d) 62
Trick: difference of prime numbers
Solution:
9….14…..21…...32…......45
…+5…+7….+11......+13
Ans: 45 + 17 = 62
3. b) 11.25
Solution:
3 * 0.5 = 1.5
1.5 * 1 = 1.5
1.5 * 1.5 = 2.25
2.25 * 2 = 4.5
4.5 * 2.5 = 11.25
4. a) 771
Solution:
2 * 1 + 2 =4
4 * 2 + 3 = 11
11 * 3 + 4= 37
37 * 4 + 5 = 153
153 * 5 + 6= 771
5. e) 44
Trick: difference upto two lines
Solution:
4…........4......…6…......12.......…24
....+0….....+2........+6..........+12
....…+2..........+4.........+6
Ans: 24 + 12 + 8 = 44
Thanks.
