General Aptitude › Ratio and Proportion › Question #4749
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QA bag contains Rs 410 in coins of Rs 5, Rs 2, and Rs 1. The coin count is in the ratio 4: 6: 9. Find the total number of 2 Rupee coins.

ID: #4749 Ratio and Proportion 228 views
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#4749Q ID
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Ratio and ProportionTopic
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  • A 40 ✔ ✖
  • B 50 ✔ ✖
  • C 60 ✔ ✖
  • D 70 ✔ ✖
Correct Answer

Explanation


If the ratio of coins = 4: 6: 9
That means if Rs 5 coins are 4, Rs 2 coins are 6, and then Rs 1 coins are 9.

According to the given ratio, the ratio of amounts = 5*4: 6*2: 9*1 = 20: 12: 9
The sum of the ratios of the amounts = 20+12+9 = Rs 41
But ATQ, it is Rs 410, which means multiply each ratio by 10
i.e., new ratio = 40: 60: 90
Now, 40*5: 60*2: 90*1 = 200: 120: 90

The total amount in the form of two rupees coins = 120
So, the two rupees coins = 120/2= 60
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