To produce an annual income of Rs. 1200 from a 12% stock at 90, the amount of stock needed is:_________?

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To produce an annual income of Rs. 1200 from a 12% stock at 90, the amount of stock needed is:_________?

A. Rs. 10800
B. Rs. 10000
C. Rs. 14400
D. Rs. 16000
For an income of Rs. 12, stock needed = 100
For an income of Rs. 1200, stock needed = 100 * 1200/12 = 10000