Question

A Sum Of 500 Is The The Form Of Denominations Of 5And10 If The Total Number Of Notes Is 90 Find The Number Of Notes Of Each Denominations

Answer 1

Let no. of 5 currency notes be x and no. of 10 currency note be y

According to question,

5x+10y=500

x+2y=100....(I)

and

x+y=90.....(2)

Solving both equations by elimination method, we get

x=80 and y=10

Hence there are 80 currency notes of 5 and 10 currency notes of 10

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