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Sudhir has coins of the denomination of one rupee, 50 paise and 25 paise in the ratio 12:10:7. The total worth of the coins he has is ₹112.5. Find the number of 25 paise coins that Sudhir has.

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Important Questions on Ratio, Proportion and Variation

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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 46
Two numbers are in the ratio 1:5 and if 10 be added to each, the ratio becomes 1:3. Find the lower number.
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CAT
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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 47
A flask contains a mixture of 98 litres of alcohol and water in the proportion 5:2. How much water must be added to it so that the ratio of alcohol to water may be 7:5?
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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 48
A cask contains 15 litres of mixture of wine and water in the ratio 2:1. How much of the water must be drawn off, so that the ratio of wine and water in the cask may become 4:1?
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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 49
The total number of pupils in three classes of a school is 700. The number of pupils in classes I and II are in the ratio 1:4 and those in classes II and III are in the ratio 3:5. Find the number of pupils in the class, having the highest number of pupils.
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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 50
Sahil can row a certain course up the stream in 84 minutes, and can row the same course down stream in 9 minutes less than that he can row it in still water. How long would he take to row down with the stream?
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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 51
If (P+Q):(Q+R):(R+P)=3:9:8 and P+Q+R=20, then what is the value of R?
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How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 52
x varies directly as (y2+z2). At y=2 and z=3, the value of x is 26. Find the value of x, when z=1 and y=5.
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IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 11 - Ratio, Proportion and Variation>Level of Difficulty>Q 53
The wages of labourers in a factory has increased in the ratio 22:25 and their number is decreased in the ratio 3:2. What was the original wage bill of the factory, if the present bill is ₹5000?