Reena has a total of 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 denomination she has?
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Given Devshi has 590 Rupees
RS50,20&10 are there ⇒ Total 25 notes
Rs50&Rs20 ⇒3:5
Notes of Rs50=3x
Notes of Rs20=5x
Notes of Rs10=25−(3x+5x)=25−8x.
Amount in 50 Rupee notes ⇒50×3x=150x
Amount in 20 Rupee notes ⇒20×5x=100x.
Amount in 10 Rupee notes ⇒10(25−8x)=250−80x
Total Amount =590
⇒150x+100x+250−80x=590
⇒250−80x=590−250
⇒170x=340
∴x=2
So Deveshi has
Notes 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
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Dono pgl hain (≧▽≦)(≧▽≦)
Step-by-step explanation:
The turning effect of force is called moment of force.
hope it helps ✅✅✅
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