Question
13Â Â Â Â Â 26Â Â Â Â Â Â 104 Â Â Â Â Â Â 624Â
     ?       49920 What should come in place of question mark ‘?’ in the following number series?Solution
13 × 2 = 26 26 × 4 = 104 104 × 6 = 624 624 × 8 = 4992 4992 × 10 = 49920
What value should come in the place of (?) in the following number series?
178, ?, 692, 861, 982, 106331Â Â Â 40Â Â Â 51Â Â Â 64Â Â Â 79Â Â Â Â ?
What will come in place of the question mark (?) in the following series?
92, 153, 220, ?, 364, 443
32, 48, 72, 108, ?, 243
10, 10, 15, 30, 75, ?
17, 36, 65, 104, 153, ?
12, 16, ?, 48, 76, 112
114, 146, 210, 306, 434, ?
What will come in place of (?) Question mark in the given number series.
10, 15, 30, 75, 225, 787.5, ?
5, 18, 39, ?, 105, 150