Quantitative Aptitude Quiz

What should come in place of the question mark (?) in the following number series?
1. 4, 24, 120, 480, 1440, 2880, ?
(1) 3600
(2) 4800
(3) 2880
(4) 5760
(5) None of these



2. 11, 23, 48, 99, 202, 409, ?
(1) 818
(2) 820
(3) 824
(4) 832
(5) None of these



3. 11, 17, 23, 31, 41, 47, ?
(1) 51
(2) 59
(3) 61
(4) 67
(5) None of these



4. 11, 12, 12, 14, 28, 31, 93, 97, ?
(1) 101
(2) 388
(3) 404
(4) 514
(5) None of these



5. 5, 13, 25, 41, 61, 85, ?
(1) 123
(2) 101
(3) 113
(4) 125
(5) None of these



6. 441 ÷ 3 × √? = 10290
(1) 70
(2) 80
(3) 4900
(4) 6400
(5) None of these



7. √? + 33 = √4096
(1)961
(2) 31
(3) 62
(4) 979
(5) None of these



8. 16 × 36 ÷ 15 + 11 = ?
(1) 43
(2) 41.5
(3) 47
(4) 45.5
(5) None of these

9.   (49)^0.2 ÷ (343)^0.1 x (2401)^0.2 = (7)^?

(1) 1.1
(2) 0.5
(3) 0.9
(4) 0.7
(5) None of these



10. 55% of 680 - ? = 286
(1) 83
(2) 85
(3) 87
(4) 88
(5) None of these