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Numerical Ability Questions for Exams

Posted on 18 March 2011 by admin

Number Sequences- find the missing number in a sequence of numbers

1. Find the next number in the series

4     8     16     32     —
A) 48     B) 64     C) 40      D) 46

2. Find the next number in the series

4     8     12     20     —
A) 32     B) 34     C) 36      D) 38

3. Find the missing number in the series

54     49     —     39     34
A) 47     B) 44     C) 45      D) 46

4. Find the first number in the series

—     19     23     29     31
A) 12     B) 15     C) 16      D) 17

5. Find the next number in the series

3     6     11     18     —
A) 30     B) 22     C) 27      D) 29

6. Find the next number in the series

48     46     42     38     —
A) 32     B) 30     C) 33      D) 34

These number sequences usually consist of four visible numbers plus one missing number.

7. Find the missing number in the series

.
4     3     5     9     12     17     —
A) 32     B) 30     C) 24      D) 26

8. Find the missing numbers in the series

5     6     7     8     10     11     14     —     —-
A) 19     B) 17     C) 15      D) 16

9. Find the missing numbers in the series

1     –     4     7     7     8     10     9     —-
A) 6     B) 3     C) 11      D) 13

Answers
1. B  The numbers double each time
2. A  Each number is the sum of the previous two numbers
3. B  The numbers decrease by 5 each time
4. D  The numbers are primes (divisible only by 1 and themselves)
5. C  The interval, beginning with 3, increases by 2 each time
6. B  The interval, beginning with 2, increases by 2 and is subtracted each time
7. D  Each number is the sum of the previous and the number 3 places to the left
8. C A  There are 2 simple interleaved sequences 5,7,10,14,19 and 6,8,11,15
9. A D  There are 2 simple interleaved sequences 1,4,7,10,13 and 6,7,8,9

1 Comments For This Post

  1. sudarsan Says:

    this is helpful for LP level students

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