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Question 210047
JEE Mathematics · Hard

Sequences and Series: AP sum application MCQ

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AP sum applicationHardQuestion 210047

Question

A student saves Rs. 100 in the first month and increases savings by Rs. 50 each month. Total savings in 24 months is:
  1. A
    Rs. 16,200
    Correct
  2. B
    Rs. 17,400
  3. C
    Rs. 15,800
  4. D
    Rs. 18,000

Correct answer

Rs. 16,200

Explanation

AP: a = 100, d = 50, n = 24. S = (24/2)(2×100 + 23×50) = 12(200 + 1150) = 12 × 1350 = Rs. 16,200.

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