If Rs.450 amount to Rs.540 in 4 years, what will it amount to in 6 years at the same rate % per annum? Options.
A) s.575  B) s.595  C) s.590  D) s.580  E) s.585
80 = (450*4*R)/100   R = 5%   I = (450*6*5)/100= 
<gadget id="calculator">(450*6*5)/100</gadget>
<output>135</output>
135   450 + 135= 
<gadget id="calculator">450 + 135</gadget>
<output>585</output>
585   ANSWs.585R:s.585
<result>E</result>
If Rs.450 amount to Rs.540 in 4 years, what will it amount to in 6 years at the same rate % per annum?