Rohan deposited ₹500 for 2 years, ₹650 for 4 years and ₹1,300 for 6 years, at the same rate of interest. He received the total simple interest of ₹1,140. What is the rate of interest per annum?
A10%
B9.5%
C10.5%
D11%
A10%
B9.5%
C10.5%
D11%
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