Question:

If the population of a town is p in the beginning of any year then it becomes 3+2p in the beginning of the next year. If the population in the beginning of 2019 is 1000, then the population in the beginning of 2034 will be

Updated On: Oct 10, 2024
  • (997)214 + 3
  • (1003)15 + 6
  • (1003)215 - 3
  • (997)15 - 3
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The Correct Option is C

Solution and Explanation

We can modify each option for 'n' years:
(997)214 + 3 ≡ (p-3)2n-1 + 3
(1003)215 + 6 ≡ (p-3)2n + 6
(1003)215 - 3 ≡ (p-3)n - 3
(997)15 - 3 ≡ (p-3)n - 3
Given the condition that in one year, the population 'p' becomes '3+2p', we substitute 1n=1 into each option and check to obtain3+2p:
(p-3)2n-1 + 3 ≡ 3 ≠ 3 + 2p
(p-3)n - 3 ≡ (p-3) - 3 ≠ p - 6
Therefore, the correct answer is option 3.
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