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# Logical Reasoning :: Number Series

Home > Logical Reasoning > Number Series > General Questions

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41. Find the number that can be put in place of the question mark.
1, 3, 4, 8, 15, 27, ?

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Explanation:

Here is no explanation for this answer

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Tags:  IBM

42. Which term of the series 5, 10, 20, 40, ____ is 1280?

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Explanation:

Here is no explanation for this answer

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43. Find the number that can be put in place of the question mark.
198, 194, 185, 169, ?

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Explanation:

Here is no explanation for this answer

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44. Find the number that can be put in place of the question mark.
1, 8, 27, 64, 125,____?

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Explanation:

Here is no explanation for this answer

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45. Find the number that can be put in place of the question mark.
9, 27, 31, 155, 161, 1127, ?

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Explanation:

The pattern is 9*3, 27+4, 31*5, 155+ 6, 161*7 = 1127
So, missing term = 1127 + 8 = 1135.

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46. Find the number that can be put in place of the question mark.
90, 180, 12, 50, 100, 200, ?, 3, 50, 4, 25, 2, 6, 30, 3

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Explanation:

Here is no explanation for this answer

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47. Find the number that can be put in place of the question mark.
48, 24, 96, 48, 192, ?

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Explanation:

Here is no explanation for this answer

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48. Find the number that can be put in place of the question mark.
5824, 5242, ?, 4247, 3823

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Explanation:

Here is no explanation for this answer

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49. Find the number that can be put in place of the question mark.
7,16,9,15,11,14,?

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Explanation:

Here is no explanation for this answer

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Tags:  IBM

50. Find the number that can be put in place of the question mark.
40,42,39,44,38,46,?

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