Question : In a bag, there are coins of INR 5, INR 10 and INR 20 denominations. The total number of coins in the bag is 240. If the number of coins of INR 5, INR 10, and INR 20 denominations are in the ratio of 2 : 3 : 5, then what is the total amount of money in the bag?
Option 1: INR 3,540
Option 2: INR 4,600
Option 3: INR 4,620
Option 4: INR 3,360
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Correct Answer: INR 3,360
Solution : Let, the number of INR 5, INR 10, and INR 20 denominations in the bag be 2x, 3x, and 5x. Given that the total number of coins is 240. So, 2x + 3x + 5x = 240 $\therefore$ x = 24 So the number of coins of INR 5, INR 10, and INR 20 denominations are 48, 72, and 120. The total amount will be given by: = 48 × 5 + 72 × 10 + 120 × 20 = 240 + 720 + 2400 = INR 3,360 Hence, the correct answer is INR 3,360.
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