Question
Which gas is commonly used to fill
balloons?Solution
Helium is a colorless, odorless, non-toxic, and inert gas that is lighter than air, making it ideal for filling balloons. It is preferred over hydrogen because it is non-flammable.
56. 23Â Â Â Â Â 45Â Â Â Â Â 89Â Â Â Â Â 177Â Â Â Â Â 363Â Â Â Â Â 705
...625, 5, 125, 25, 25, ? , 5
There are three series given below which are following with the same pattern.
Series I: 9, 10, 32, 163, 1145
Series II: 4, B, C, D, E
...5 14 56 220 1125 6786
...2,0, 9, 20, ‘?’, 714
7 29 ? 129 211 349
25Â Â Â Â Â Â Â Â Â Â 34Â Â Â Â Â Â Â Â Â Â 61Â Â Â Â Â Â Â Â Â Â 106Â Â Â Â Â Â Â Â 169Â Â Â Â Â Â Â Â ?
...9 10 6 15 -1 ?
...22   39    58    81   ?      141
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...
