Directions (Qs.1 to 5): In each of the following questions a number series is given. In each series only one number is wrong that does not follow the given pattern of the series. Find out that wrong number.
Question No : 1
2740 165 1724 117 1004 77 508
(1) 117
(2) 510
(3) 118
(4) 1004
(5) 119
Question No : 2
21 31.5 63 160 472.5 1653.75 6615
(1) 63
(2) 6615
(3) 31.5
(4) 21
(5) 160
Question No : 3
500 500 493 467 404 280 66
(1) 500
(2) 493
(3) 66
(4) 404
(5) 280
Question No : 4
380 376 360 324 260 161
(1) 376
(2) 161
(3) 324
(4) 360
(5) 260
Question No : 5
10 41 94 1624 2516 3625 4936
(1) 1624
(2) 2516
(3) 3625
(4) 4936
(5) 41