2
General awareness and Aptitude test
1. COMPLETING A SERIES.
(a) Number Series.
Hints for answering the questions
In these questions the series consists of
numbers(digits). Number series are formed in
many ways
1.
Addition of figures given in row
2.
Subtraction of figures from one another
3.
Division of figures by one another
4.
Multiplication of figures
5.
Logical transportation of figures
6.
Increase/decrease of numbers in a
specific pattern
EXAMPLE:
Write down the number which will complete
the sequence and replace the ?
a.
6, 12, 18, 30, 48, ?
b.
3, 12, 48, 192, ?
c.
48, 24, 72, 36, 108, ?
d.
1, 4, 7, 10, 13, 16, 19, ?
e.
10, 15, 19, 22, 24, ?
f.
905, 576, 329, 247, ?
g.
1, 4, 9, 16, 25, ?
h.
1, 2, 8, 9, 15, 16, ?
ANSWERS:
a.
78,each term is obtained after adding
two to the previous number
b.
768, multiply each term by 4 to get the
next number
c.
54, divide by 2 and multiply by 3
alternatively.
d.
22, constant difference of 3 in each
subsequent number.
e.
25, decreasing difference of 5,4,3,2,1
between subsequent numbers
f.
82, interval between each pair of
numbers becomes the succeeding term
in series
g.
each term is square of natural number
h.
22, interval is alternatively 1 and 6
Multiple Choice Questions
Find the missing number in the following
series out of four options.
1.
1, 2, 5, 7, 11,______,17
a.
12
b. 13
c.
14
d. 15
2.
1, 8, 27,____,125
a.
37
b. 47
c.
54
d. 64
3.
6, 12, 21, 33,____
a.
38
b. 40
c.
45
d. 48
4.
2, 20,____,110, 182
a.
56
b. 72
c.
90
d. 96
5.
81, 9, 64,____,49, 7
a.
8
b. 9
c.
10
d. 11
6.
15, 20, 30,_____,65
a.
35
b. 40
c.
45
d. 50
7.
18, 30, 48, 72, 96,______
a.
106
b. 115
c.
120
d. 96
8.
12, 32, 72, 152,_______,632
a.
515
b. 613
c.
815
d. 312
9.
1, 2, 3, 5, 7,______,13
a.
8
b. 9
c.
10
d. 11
10. 3, 8, 22, 63, 185,_____
a.
285
b. 295
c.
310
d. 500
11. 4, 5, 7,_____, 19
a.
56
b. 66
c.
11
d. 17
