Directions (Q.Nos. 1 – 5): What should come in place of question mark (?) in the following number series?
1.66, 64.5, 60.8, 54.9, 47.79, 38.66, 27.51, ? (3)
(1) 16.44
(2) 15.54
(3) 14.34
(4) 13.24
(5) 12.14
2.4, 104, 1320, 12204, 85876, ? (2)
(1) 419380
(2) 429880
(3) 439780
(4) 449580
(5) 439880
3.24.5, 32.2, 39.9, 47.6, 55.3, ? (5)
(1) 59.9
(2) 59.7
(3) 58.3
(4) 57.7
(5) 56.7
4.15, 18, 39.6, 134.64, 753.984, ? (4)
(1) 6235.385
(2) 6336.280
(3) 6563.620
(4) 6785.856
(5) 6536.856
5.1, 2, 5, 10, 17, 28, 41, 58, ? (5)
(1) 67
(2) 69
(3) 73
(4) 75
(5) 77