Multiple choice

If you save 1 paise today, 2 paise the next day , 4 paise the succeeding day and so on, then your total savings in two weeks will be

  1. Rs. 163

  2. Rs. 183

  3. Rs. 163.83

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is a geometric progression with first term a = 1 paise and common ratio r = 2 (each day doubles the previous day's savings). For 14 days (two weeks), the sum is S = a(r^n - 1)/(r - 1) = 1(2^14 - 1)/(2 - 1) = 16383 paise = Rs. 163.83. The key is recognizing the doubling pattern.

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