Directions (1-5): In each question below, a number series is given in which one number is wrong. Find out the wrong number.

1.  484             240            120        57 26.5            11.25         3.625

240

120

57

26.5

11.25


2.    3     5    13    43   176       891        5353

5

13

43

176

891


3.  6             7        16      41          90         154            292

7

16

41

90

154


4. 5     7    16   57    244   1245      7506

7

16

57

244

1245


5.     4      2.5       3.5       6.5          15.5       41.25          126.75

2.5

3.5

6.5

15.5

41.25


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