Question

a purse continents 5000 note of denomination of rupee 100 and 500 is total number of nodes is 30 find the number of notes of each denomination

Answer 1

let 100 rs. notes be x
500 rs.notes be y
ATQ
x+y=30=>x=30-y........(1)
100x+500y=5000
from eqn.(1)
100 (30-y)+500y=5000
3000-100y+500y=5000
400y=2000
y=5
putting value of y in eqn. (1)
x=30-5=25
therefore,
notes of 100 rs.=25
notes of 500 rs.=5

Answer 2

Answer:

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