11) Harry had a total of Rs.3000 in the denomination of Rs.100 and Rs.50. The number of Rs.50 notes was twice the number of Rs.100 notes. How many notes of each denomination are with him?
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Let the number of notes of different denomination be x.
∴ Numbers of Rs100 notes, 50 notes and Rs10 notes will be 2x,3x and 5x respectively.
Amount of 100 Rs notes ⇒Rs100×2x=200x
Amount of 50 Rs notes ⇒Rs50×3x=150x
Amount of 10 Rs notes ⇒Rs10×5x=50x
As per the question
Total amount =400000
200x+150x+50x=400000
400x=400000,x=1000
No of Rs 100 notes =2x=2×1000=2000
No of Rs 50 notes =3x=3×1000=3000
No of Rs 10 notes =5x=5×1000=5000
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