Q: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Question: A confused bank teller transposed the rupees and paise when he cashed a cheque for Shailaja, giving her rupees instead of paise and paise instead of rupees. After buying a toffee for 50 paise, Shailaja noticed that she was left with exactly three times as much as the amount on the cheque. Which of the following is a valid statement about the cheque amount?

Option A: Over Rupees 13 but less than Rupees 14

Option B: Over Rupees 7 but less than Rupees 8

Option C: Over Rupees 22 but less than Rupees 23

Option D: Over Rupees 18 but less than Rupees 9

Option E: Over Rupees 4 but less than Rupees 5
A:
Option D