Aptitude SeriesPage 6
41. | Find the next number
888, 442, 219, 107.5, ?
| | (a)52 | | (b)51 | | (c)51.75 | | (d)75 |
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Answer is: C 888/2 - 2 = 442
442/2 - 2 =219
219/2 - 2 = 107.5
107.5/2 - 2 = 51.75
Next number is 51.75
42. | Find next number.
6000, 1200, 300, 100, 50, ?
| | (a)50 | | (b)60 | | (c)70 | | (d)80 |
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Answer is: A 6000/5 = 1200
1200/4 = 300
300/3 = 100
100/2 = 50
50/1 = 50
Next number is 50.
43. | Find next number ?
4, 6, 10, 18, 34, ?
| | (a)45 | | (b)54 | | (c)56 | | (d)66 |
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Answer is: D(4 -1)2 = 6
(6 - 1)2 = 10
(10 - 1)2 = 18
(18 -1)2 = 34
(34 - 1)2 = 66
Next number is 66.
44. | Find wrong number in this series.
4444, 2224, 1114, 556, 281.5, 142.75, 73.375
| | (a)2224 | | (b)1114 | | (c)556 | | (d)281.5 |
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Answer is: C 4444/2 + 2 = 2224
2224/2 + 2 = 1114
1114/2 + 2 = 559
So, 556 is wrong.
45. | Find the missing number.
aba_baca_ba_bacaabac_aca
| | (a)abbc | | (b)bbca | | (c)caba | | (d)cacb |
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Answer is: DTwo series are increasing abac and baca.
46. | Find next number.
5, 7.5, 15, 37.5, 112.5, ?
| | (a)300 | | (b)330 | | (c)393.75 | | (d)433.55 |
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Answer is: C5 x 1.5 = 7.5
7.5 x 2 = 15
15 x 2.5 = 37.5
37.5 x 3 = 112.5
112.5 x 3.5 = 393.75
next number is 393.75
47. | Find the next number ?
2, 9, 30, 93, 282, ?
| | (a)789 | | (b)984 | | (c)948 | | (d)849 |
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Answer is: D(2 x3) + 3= 9
(9 x 3) + 3 = 30
(30 x 3) + 3 = 93
(93 x 3) + 3 = 282
(282 x 3) + 3 = 849
next number is 849
48. | Find the next number.
8, 18, 45, 143, ?
| | (a)759 | | (b)579 | | (c)975 | | (d)795 |
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Answer is: B(8 x 1) + 10 = 18
(18 x 2) + 9 = 45
(45 x 3) + 8 = 143
(143 x 4) + 7 = 579
next number is 579
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