Question
165Â Â Â Â Â Â 155Â Â Â Â Â 135Â Â Â Â Â
?     65      15 What should come in place of question mark (?) in the following number series?Solution
165 – 10 = 155 155 – 20 = 135 135 – 30 = 105 105 – 40 = 65 65 – 50 = 15
What will come in place of the question mark (?) in the following series?
12, 13, 27, ?, 329, 1646
What will come in place of the question mark (?) in the following series?
112, 123, 144, 169, 190, ?
17    18      14       ?      7       32
...14, 20, 29, 44, 65, ?
What will come in place of the question mark (?) in the following series?
5, 10, 30, ?, 600, 3600
What will come in place of (?) question mark in the given number series.
10, 17, 26, 37, 50, ?
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
80, ?, 240, 80, 20, 4Â
18, 35, 68, 117, ?, 263Â
64Â Â Â Â 32Â Â Â Â Â Â 32 Â Â Â Â Â Â 48Â Â Â Â Â Â 96 Â Â Â Â Â Â ?
...