The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is:

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The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is:

A. 6 months
B. 8 months
C. 9 months
D. 10 months