Posted by **snigda** on Tuesday, December 11, 2012 at 1:33pm.

In a purse there are 20-rupee notes 10-rupee notes and 5-rupee notes. the number of 5-rupee notes exceeds two times the 10-rupee notes by one. the 20-rupee notes are 5 less than the 10-rupee notes. if the total value of the money in the purse is Rs185 find the number of each variety of notes.

- maths --plse help me.. -
**Steve**, Tuesday, December 11, 2012 at 2:37pm
if there are x,y,z notes for 5,10,20 rupees, respectively, then

x = 2y+1

z = y-5

5x+10y+20z = 185

(x,y,z) = (15,7,2)

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