Sequences.
The Relay Race.
The first player stands at the starting point.
The second at 100 meters.
The third at 200 meters.
The fourth at 300 meters.
Sequence - 100, 200, 300, 400, ...
Here, the difference is 100.
The value of n = 1, 2, 3, 4, ...
We get the nth term by multiplying the difference with the value of n.
Which can be equal to 100n.
Example
Tom chased Jerry 4 times on Day 1, 8 times on Day 2 and 12 times on Day 3.
On Day 4 Tom chased 16 times.
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