A bill for Rs.74 was paid with Rs.5 and Re.1 coins. If total number of coins given is 50, then the number of Rs.5 coins is equal to
Correct Answer: Description for Correct answer:
Let number of Rs.5 coin be x and Re.1 coin be y.
\( \Large \therefore x+y = 50 \) ...(i)
\( \Large 5x+y = 74 \) ...(ii)
Solving equations (i) and (ii), we get x = 6
Hence, number of Rs.5 coins = 6.
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