Question

Indra has total rupees 2100 as currency notes with the denominations of 50,20,10.The ratio rupees 50 and 20 is 2:3.Total no notes is 100.Then how many notes each donominations does she have.

Answer 1

Answer:

No. of Rs 50 notes =20 notes

No. of Rs 20 notes = 30 notes

No. of Rs 10 notes = 50 notes

Step-by-step explanation:

Let the no. of Rs 50 notes = 2x

Let the no. of Rs 20 notes = 3x

Let the no. of Rs 10 notes = y= 100 -5x

According to the question:-

50(2x)+20(3x)+10(100-5x) = 2100

=> 100x+60x +1000-50x = 2100

=> 110x = 1100

=> x = 10

No. of Rs 50 notes = 2x = 20 notes

No. of Rs 20 notes = 3x = 30 notes

No. of Rs 10 notes = 100 -5x = 100-50 = 50 notes

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