Question

I have a total of 300 in coins of denomination Rs 1, Rs 2 and Rs 5. The number of Rs2 coins is 3 times the number of Rs 5 coins. The total number of coins is 160. How many coins of each denomination are with me? *

RS 100 → 2000 notes; RS 50 → 3000 notes; RS 10 → 5000 notes

RS 100 → 5000 notes; RS 50 → 3000 notes; RS 10 → 5000 notes

RS 100 → 2000 notes; RS50 → 5000 notes; `RS10 → 5000 notes

RS 100 → 1000 notes; RS 50 → 3000 notes; RS10 → 2000 notes​

Answer 1

Let number of Rs5 coins be x

Number of Rs 2 coins =3× Number of 5 Rs coins =3x

Number of Re1 coins =160−(x+3x)

=160−4x

Amount of Rs5 coins =5×x=5x

Amount of Rs2 coins =2×3x=Rs6x

Amount of Re1 coins =(160−4×x)

=160−4x

As per the question, Total amount =Rs300

160−4x+5x+6x=300

7x=300−160

x=

7

140

x=20

Number of Re 1 coins =160−4x

=160−4×20

=80

Number of Rs2 coins =3x=3×20=60

Number of Rs5 coins =x=20

Give me some multiple thanks

Answer 2

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