the present worth of a sum due sometimes hence is Rs. 5760 and the banker's gain is Rs.10 . what is the true discount?  Choose the correct choice from the following.
A) 480
B) 420
C) 240
D) 120
E) 380
TD= square root of PW * BG = square root of 5760 * 10= 
<gadget id="calculator">5760 * 10</gadget>
<output>57_600</output>
square root of 57600= Rs. 240   correct answer : (240)
<result>C</result>
the present worth of a sum due sometimes hence is Rs. 5760 and the banker's gain is Rs.10 . what is the true discount?