Hello Aspirants. Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series, which is common for all the competitive exams. We have included Some questions that are repeatedly asked in bank exams !!!
- 15, 18, 24, 35, 53, ?
A)63
B)80
C)74
D)98
E)None of theseAnswer – B)80
Explanation :
15+3 = 18
18+(3+3) = 24
24+(6+5) = 35
35+(11+7) = 53
53+(18+9) = 80 - 43, 68, 168, 393, 793, ?
A)1418
B)865
C)964
D)1278
E)None of theseAnswer – A)1418
Explanation :
43+5^2 = 68
68+10^2 = 168
168+15^2 = 393
393+20^2 = 793
793+25^2 = 1418 - 456, 232, 120, 64, 36, ?
A)8
B)30
C)22
D)12
E)None of theseAnswer – C)22
Explanation :
456-224 = 232
232 –(224/2) = 120
120-(112/2) = 64
64-(56/2) = 36
36-(28/2) = 22 - 3, 5, 15, 65, 315, ?
A)985
B)755
C)1234
D)1565
E)None of theseAnswer – D)1565
Explanation :
3*5-10 =15-10 =5
5*5-10 = 25-10 =15
15*5-10 = 75-10 = 65
65*5-10=325-10 = 315
315*5-10 = 1565 - 5, 7.5, 11.25, 16.87, ?
A)35.45
B)19.65
C)22.60
D)25.30
E)None of theseAnswer – D)25.30
Explanation :
5*3/2 = 7.5
7.5*3/2 = 11.25
11.25*3/2 =16.87
16.87*3/2 = 25.30 - 300, 120, 48, 19.2, 7.68, ?
A)15.89
B)10.56
C)3.072
D)0.756
E)None of theseAnswer – C)3.072
Explanation :
300*0.4 = 120
120*0.4 = 48
48*0.4 = 19.2
19.2*0.4 = 7.68
7.68*0.4=3.072 - 11, 5.5, 1.375, 0.172, ?
A)0.0108
B)1.754
C)0.0126
D)0.235
E)None of theseAnswer – A)0.0108
Explanation :
11*1/2 = 5.5
5.5*1/4 = 1.375
1.375*1/8 = 0.172
0.172*1/16 = 0.0108 - 129, 25.8, 10.32, 8.256, ?
A)5.42
B)10.53
C)13.21
D)23.96
E)None of theseAnswer – C)13.21
Explanation :
129*0.2 = 25.8
25.8*0.4 = 10.32
10.32*0.8=8.256
8.256*1.6 =13.21 - 65, 132, 262, 526, 1050, ?
A)2421
B)1465
C)1907
D)2102
E)None of theseAnswer – D)2102
Explanation :
65*2+2 =132
132*2-2 = 262
262*2+2 = 526
526*2-2 = 1050
1050*2+2 = 2102 - 39, 23, 15, 11, 9, ?
A)8
B)2
C)7
D)5
E)None of theseAnswer – A)8
Explanation :
39-16=23
23-8=15
15-4 =11
11-2=9
9-1=8
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