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प्रश्न
Decide whether the given sequence 2, 4, 6, 8,… is an A.P.
उत्तर
Here, t1 = 2, t2 = 4, t3 = 6
∴ t2 − t1 = 4 − 2 = 2
t3 − t2 = 6 − 4 = 2
∴ t2 − t1 = t3 − t2 = ... = 2 = constant
The difference between two consecutive terms is constant.
∴ The given sequence is an A.P.
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| Treasure Hunt is an exciting and adventurous game where participants follow a series of clues/numbers/maps to discover hidden treasure. Players engage in a thrilling quest, solving puzzles and riddles to unveil the location of the coveted prize. While playing a treasure hunt game, some clues (numbers) are hidden in various spots collectively forming an A.P. If the number on the nth spot is 20 + 4n, then answer the following questions to help the players in spotting the clues: |
- Which number is on first spot? 1
- Which spot is numbered as 112? 2
OR - What is the sum of all the numbers on the first 10 spots? 2
- Which spot is numbered as 112? 2
- Which number is on the (n – 2)th spot? 1
