Find out the missing number in the following sequence : 1, 3, 3, 6, 7, 9, ?, 12, 21. (1) 10 (2) 11 (3) 12 (4) 13
Find the wrong number in the series :
7, 28, 63, 124, 215, 342, 511
1) 7 2) 28 3) 124 4) 215
2, 3, 5, 7, 11, (...), 17 (1) 12 (2) 13 (3) 14 (4) 15
Which number would replace question mark in the series 7, 12, 19, ?, 39. (1) 29 (2) 28 (3) 26 (4) 24
Which is the number that comes next in the sequence : 0, 6, 24, 60, 120, 210 ? (1) 240 (2) 290 (3) 336 (4) 504