Recent questions tagged ratio-proportion

0 votes
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1
A container has 20 L of milk. 4 L of milk is replaced with an equal quantity of water. What was will be the final quantity of milk in the container if the process is repe...
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10
A man invests some money partly in $3\%$ stock at $96$ and partly in $4\%$ stock at $120$. To get equal dividends from both, he must invest the money in the ratio :$16 : ...
0 votes
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11
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15
On a scale of a map, $0.6$ cm represents $6.6$ km. If the distance between two points on the map is $80.5$ cm, the actual distance between these points is:$9$ km$72.5$ km...
2 votes
2 answers
18
$1/4$th of $60\%$ of a number is equal to $2/5$th of $20\%$ of another number. What is the respective ratio of the first number to that of second number?$8:15$$5:9$$8:13$...
0 votes
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19
How many one rupee coins, $50$ paise coins and $25$ paise coins of which the numbers are proportional to $4, 5$ and $6$ are together worth ₹$32$?$16, 20, 24$$12, 16, 2...
1 votes
1 answer
20
$A$ & $B$ together have ₹$1210$. If $4/15$ of $A's$ amount is equal to $2/5$ of $B's$ amount, how much amount does $B$ have?₹$664$₹$550$₹$484$₹$460$
1 votes
1 answer
25
If $a, b, c$ are three positive integers such that $a$ and $b$ are in the ratio $3:4$ while $b$ and $c$ are in the ratio $2:1$, then which one of the following is a possi...
1 votes
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26
If $a$ and $b$ are integers of opposite signs such that $\left ( a+3 \right )^{2}:b^{2}= 9:1$ and $\left ( a-1 \right )^2 : \left ( b-1 \right )^2= 4:1$ , then the ratio ...
3 votes
1 answer
33
X,Y and Z are 3 quantities.X varies inversely with Y when z is constant.Y varies inversely with Z when X is constant.When Y=8,Z=7 and X=30.Find X if Y=16 and Z=21
2 votes
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34
$96$ is divided into two parts in such a way that seventh part of first and ninth part of second are equal. Find the smallest part?38404248
2 votes
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35
2 votes
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36
A man buys spirit at Rs. 60 per litre, adds water to it and then sells it at Rs. 75 per litre. What is the ratio of spirit to water if his profit in the deal is 37.5%?9 :...