Question

Mary has a total of Rs 590 as currency notes in the denominations of Rs 50, Rs 20 and Rs 10. The ratio of the number of Rs 50 notes and Rs 20 notes is 3:5. If she has a total of 25 notes, how many notes of each denominations she has ? please tell the answer ​

Answer 1

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RS50,20&10 are there ⇒ Total 25 notes

RS50,20&10 are there ⇒ Total 25 notesRs50&Rs20 ⇒3:5

RS50,20&10 are there ⇒ Total 25 notesRs50&Rs20 ⇒3:5Notes of Rs50=3x

RS50,20&10 are there ⇒ Total 25 notesRs50&Rs20 ⇒3:5Notes of Rs50=3xNotes of Rs20=5x

RS50,20&10 are there ⇒ Total 25 notesRs50&Rs20 ⇒3:5Notes of Rs50=3xNotes of Rs20=5xNotes of Rs10=25−(3x+5x)=25−8x.

RS50,20&10 are there ⇒ Total 25 notesRs50&Rs20 ⇒3:5Notes of Rs50=3xNotes of Rs20=5xNotes of Rs10=25−(3x+5x)=25−8x.Amount in 50 Rupee notes

⇒50×3x=150x

⇒50×3x=150xAmount in 20 Rupee notes

⇒20×5x=100x.

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80x

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250⇒170x=340

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250⇒170x=340∴x=2

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250⇒170x=340∴x=2So Deveshi has

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250⇒170x=340∴x=2So Deveshi hasNotes of Rs.50=3(2)=6i.e;150(2)=300Rs.

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250⇒170x=340∴x=2So Deveshi hasNotes of Rs.50=3(2)=6i.e;150(2)=300Rs.Notes of Rs.20=5(2)=10i.e;100(2)=200Rs.

⇒20×5x=100x.Amount in 10 Rupee notes ⇒10(25−8x)=250−80xTotal Amount =590 ⇒150x+100x+250−80x=590⇒250−80x=590−250⇒170x=340∴x=2So Deveshi hasNotes of Rs.50=3(2)=6i.e;150(2)=300Rs.Notes of Rs.20=5(2)=10i.e;100(2)=200Rs.Notes of Rs.10=25−8(2)=9i.e;=90Rs