1.

Please solve this sum ( question.21)

Answer»

Let total no. of 10 RUPEE NOTES be 2x
then 20rupee note be 3X
so total no.of notes are 2x + 3x = 5x
5x = 1600
=> x = 1600/5
=> x = 320
no.of 10 rupee notes= 2*320= 640 so 64notes
no.of 20 rupee notes = 3*320=960 so 48 notes
hence total notes are 64 + 48 = 112



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