TCS Company Logical Reasoning Seating Arrangement

A bill falls due in 1 year. The creditor agrees to accept immediate payment of the half and to defer the payment of the other half for 2 years. By this arrangement

INS Rs. 40. What is the amount of the bill, if the money be worth 12-z%?

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I really cant understand both the question and the answer
10 years agoHelpfull: Yes(4) No(0)

Answer is Let the sum be Rs. x. Then,
[x/2+(x/2*100)/100+(25/2*2)]-[(x*100)/(100+25/2*1]

=40
=>x/2+2x/5-8x/9=40
=>x=3600
Amount of the bill - Rs. 3600
10 years agoHelpfull: Yes(0) No(4)

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