Bansi has some coins with ₹ 2 and some with ₹ 5. If the number of coins with ₹ 2 is three times the number of coins with ₹ 5 and the sum of their values is Rs. 77, find the number of both types of coins.
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Answer:
7 Rs 5 coins and 21 Rs 2 coins
Explanation:
Let number of Rs 2 coins be x
Let number of Rs 5 coins be y
Therefore, value of Rs 2 coins is 2x and value of Rs 5 coins is 5y
x = 3y
2x + 5y = 77
6y + 5y = 77
11y = 77
y = 7
x = 3y = 21
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