Answers

2015-03-13T13:56:27+05:30
Let the no. of 5 rupee note be x and 2 rupee note be 2x
according to question

5 X (x) + 2 X (2x) = 72
⇒ 5x + 4x = 72
⇒ 9x = 72
⇒ x = 72/9
⇒ x = 8 
 
therefore no. of 5 rupee note = x i.e 8
also
no. of 2 rupee note = x i.e 16
2 4 2