a sum of rs 800 is in the form of denominations of rs 10 and ra 20. if the total number of notes is 50, find the number of notes of each type.
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Rs.10 = 20 notes and Rs.20 = 30 notes
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Answer:
Let the number of rupees 10 notes= x
Total no. of notes=50
Number of rupees 20 notes=50-x
Value of rupees 10 notes =10×x
= 10x
Value of rupees 20 notes= 20(50-x)
= 1000-20x
A/Q
10x + 1000-20 rupees=800
1000-800=10x
10x=200
x=20.
°•° number of 10 rupee note =20
and number of 20 rupee note = 30.
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