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Kiran deposits ₹40000 in an account paying 10% per annum compound interest. At the end of the first year she withdraws ₹14000 and leaves the rest untouched. The amount standing to her credit at the end of the second year (in ₹) is:

Competition practiceRatio, Percentage & Commercial Math
  • A33000
  • B30000
  • C32400
  • D34400

Step-by-Step Solution

End of year 1: = ₹44000. After the withdrawal ₹30000 remains, and it grows to = ₹33000 by the end of year 2. (₹30000 stops before the second year's interest; letting the whole ₹40000 compound for two years and only then subtracting ₹14000 gives ₹34400 and credits her with interest on money she had already taken out.)
Answer: A) 33000

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