# Quantitative Aptitude: Number Series Set 120

Directions (1-10): Find the wrong term in the following series each of which follows some particular pattern:

1. 34.., 43…, 70.., 131.., 394
34
43
70
131
394
Option D
34+3^2=43
43+3^3=70
70+3^4=151 (not 131)
151+3^5=394

2. 33…, 37.., 51..,71.., 109
33
37
51
71
109
Option E
33+4*1= 37
37+4*3=51
51+4*5=71
71+4*7=99 (not 109)

3. 99.., 36.., 14.., 8.., 5.66
99
36
14
8
5.66
Option C
(99/3) +3=36
(36/3)+3=15 (not 14)
(15/3)+3= 8
(8/3)+3=5.66

4. 30.., 54.., 74.., 110.., 150
30
54
74
110
150
Option C
30 +8=38
38+16=54
54+24=78 (not 74)
78+32=110
110+40=150

5. 234…, 240.., 248..,262.. , 288
234
240
248
262
288
Option E
234 +2+4=240
240+3 + 5=248
248+6+8=262
262+7+9=278 (not 288)

6. 70.., 73.., 79.., 113.., 176
70
73
79
113
176
Option C
70+ 1*3 =73
73 + 3*5=78 (not 79)
78 + 5*7 =113
113+7*9=176

7. 1563…, 1557.., 1545.. , 1527.., 1500
1563
1557
1545
1527
1500
Option E
1563 – 6=1557
1557-12=1545
1545-18=1527
1527-24=1503

8. 235.., 240.., 271…, 321…, 443
235
240
271
321
443
Option B
235 + 32 +1=245 (not 240)
245 + 52 +1=271
271 +7 2 +1=321
321+ 112 +1=443

9. 4450…, 4353…, 4259…, 4168…, 4070
4450
4353
4259
4168
4070
Option E
4450 – 102+3=4353
4353 – 102+6=4259
4259 – 102+9=4168
4168 – 102+12=4080 (not 4070)

10. 50.., 170.., 600.., 120.., 20..,140
50
170
600
120
20
Option B
50 * 3= 150 (not 170)
150* 4=600
600/5=120
120/6=20
20*7=140

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