Average Due Date - Doubt ??

Krish (CA Final ) (3331 Points)

08 November 2010  

X has accepted the following bills drawn by sumnath :

 

On 8th March     

 

Rs. 4000

For 4 Months

On 16th March   

 

Rs. 5000

For 3 Months

On 7th April

Rs. 6000

For 5 Months

On 17th May

Rs. 5000

For 3 Months

 

He wants to pay all the bills on single day. Find out this date. Interest is charged is @ 18 % p.a and X wants to save Rs. 150 by way of interest. Find out the date on which he has to effect the payment to save interest of Rs. 150.

 

Can any one please tell me how to deal with  the above highlighted sentence.

 

Please help me out. Tomorrow is my Exam.