Hello and welcome to exampundit. Here is a set of Number Series.
1. 0.12, 0.24, ? , 5.76, 34.56
1) 0.48
2) 0.38
3) 0.96
4) 1.14
5) None of the above
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Option: 3
Explanation: Multiply the number by the last digit of the number itself to get the next number.
0.12x2=0.24
0.24x4=0.96
0.96x6=5.76
5.76x6=34.56
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2. 169, 676, 1521, ?, 4225
1) 2704
2) 3704
3) 2708
4) None
5) 1000
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Option: 1
Explanation:
132 =169
(13x2) 2=676
(13x3)2=1521
(13x4)2=2704
(13X5)2=4225
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3.2209, 1600, 1089, ? , 361, 144,25
1) 476
2) 676
3) 896
4) 834
5) None of the above
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Option: 2
Explanation:
Square of numbers with difference of 7
472=2209
402= 1600
332=1089
262=676 and so on …upto 52=25
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4.512, 16, 1, ?, 0.03 , 0.015
1) 0.125
2) 1.25
3) 0.0125
4) 0.025
5) None of the above
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Option: 1
Explanation:
512 ÷32=16
16 ÷16=1
1 ÷8=0.125
0.125 ÷4=0.03
0.03 ÷2=0.015
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5.0 , 50 , ?, 58830 , 1176580
1) 2960
2) 1890
3) 1960
4) 1980
5) None of the above
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Option: 3
Explanation:
(0 x50) +50= 50 , (50x40)-40=1960, ( 1960 x30) +30= 58830 , (58830x20)-20= 1176580
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6. 57 , 226 , ? , 186 , 137
1) 205
2) 110
3) 105
4) 100
5) None of the above
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Option: 3
Explanation:
57+132=226
26-112=105
105+92=186
186-72=137
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7. 736 , 368 , ? , 82 , 29
1) 180
2) 198
3) 180
4) 200
5) None of the above
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Option: 1
Explanation:
(736 ÷2)-0=368
(368 ÷2 )- 4=180
(188 ÷2)-8=82
(82 ÷2 ) -12=29
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Regards
Team EP