Quantitative Aptitude: Number Series Set 73

Directions: The following series are based on a certain pattern. One of the number in series is wrong. Find that odd one out.

1. 180, 36, 9, 3, 2, 1.5
36
1.5
2
3
9
Option C
Solution:
180/5=36
36/4=9
9/3=3
3/2=1.5 (2)
1.5/1=1.5.
2. 5, 8, 12, 18, 27, 42
8
12
27
42
18
Option D
Solution:
5…………8…………12…………18…………27…………40
…….3…………4…………6………… 9………….13
………….1…………2…………3…………4
3. 15, 33, 60, 87, 123, 165
165
33
87
60
123
Option D
Solution:
15 +6*3=33
33+8*3=57 (60)
57+10*3=87
87+12*3=123
123+14*3=165.
4. 320, 312, 300, 264, 200, 72
72
264
300
200
312
Option C
Solution:
320-8=312
312-16=296(300)
296-32=264
264-64=200
200-128=72.
5. 5, 14, 39, 92, 169, 290
92
39
169
290
14
Option A
Solution:
5 + 32 =14
14+52=39
39+72=88 (92)
88+92=169
169+112=290.
6. 25, 26, 22, 31, 18, 40
40
18
26
22
31
Option B
Solution:
25 + 12 =26
26-22=22
22+32=31
31-42=15 (18)
15+52=40.
7. 5, 6, 14, 45, 184, 930
184
14
930
45
6
Option C
Solution:
5*1+1=6
6*2+2=14
14*3+3=45
45*4+4=184
184*5+5=925 (930).
8. 2, 7, 31, 125, 483, 1923
7
483
31
125
1923
Option D
Solution:
2*4-1=7
7*4+3=31
31*4-5=119 (125)
119*4+7=483
483*4-9=1923.
9. 340, 213, 122, 61, 24, 8
8
61
213
122
24
Option A
Solution:
73-3 =340
63 -3=213
53-3=122
43-3=61
33-3=24
23-3=5(8).
10. 4, 3, 4.5, 9.5, 20, 53
20
9.5
20
53
4.5
Option B
Solution:
4*0.5+1=3
3*1+1.5=4.5
4.5*1.5+2=8.75(9.5)
8.75*2+2.5=20
20*2.5+3=53.

3 Thoughts to “Quantitative Aptitude: Number Series Set 73”

1. jaga

THANK U MAM

2. Wikki Waran

Thank you

3. 339694 598230thaibaccarat dot com will be the very best internet site to study casino games : like baccarat, poker, blackjack and roulette casino 110342