1.

A sum of ₹800 is the form of denominator of ₹10 and 20.If the total number of notes be 50.Find the number of notes of each kind

Answer» LET total no of NOTE rs 10 be X
rs 20 = 50 -x
amount of rs 10 = 10x
amount of rs 20 = 20 (50- x )
1000 - 20x

10x+1000-20x = 800
-10x = 800 -- 1000
-10x = - 200
x = 20
no of note rs 10 = 20
no of note rs 20 = 50-20 = 30



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