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free Online Test Ratio and Proportion Questions and Answers Quiz 5

Description: Free Online Test questions and answers on Ratio and Proportion with explanation for various competitive exams,entrance test. Solved examples with detailed answer test 5

Exercise

"In the middle of difficulty lies opportunity."
- Albert Einstein
1 . A couple got married 9 years ago when the age of wife was 20% less than her husband. 6 years from now the age of wife will be only 12.5% less than her husband. Now they have six children including single, twins and triplets and the ratio of their ages is 2 : 3 : 4 respectively. What can be the maximum possible value for the present age of this family?
A.  110 years B.    103 years
C.  105 years D.    83 years
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2 . Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs.4000, the new ratio becomes 40 : 57. What is Sumit’s present salary?
A.  Rs.17,000 B.    Rs.20,000
C.  Rs.25,500 D.    None
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3 . Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively, what will be the ratio of increased seats?
A.  2 : 3 : 4 B.    6 : 7 : 8
C.  6 : 8 : 9 D.    None
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4 . The third proportional to ($x^ 2$ - $y^ 2$ ) and (x - y) is :
A.  (x + y) B.    (x - y)
C.  $(x + y)\over (x - y)$ D.    $(x - y)\over (x + y)$
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5 . Which of the following ratios is greatest?
A.  7:15 B.    15:23
C.  17:25 D.    21:29
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6 . In three vessels, each of 25 litres capacity, mixture of milk and water is filled. The ratio of milk and water are 3 : 1, 2 : 3, 4 : 3 in the respective vessels. If all the three vessels are emptied into asingle large vessel, then what will be the ratio of water to milk in the resultant mixture?
A.  179:241 B.    197:214
C.  219:117 D.    179:234
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7 . A vessel of capacity 2 litre has 25% alcohol and another vessel of capacity 6 litre had 40 alcohol. The total liquid of 8 litre was poured out in a vessel of capacity 10 litre and thus the rest part of the vessel was filled with the water. What is the new concentration of mixture?
A.  31% B.    71%
C.  49% D.    29%
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8 . If Rs.782 be divided into three parts, proportional to $1 \over 2$ : $2\over 3$ : $3 \over 4$ , then the first part is :
A.  Rs.182 B.    Rs.190
C.  Rs.196 D.    Rs.204
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9 . A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs.1000 more than D, what is B’s share?
A.  Rs.500 B.    Rs.1500
C.  2000 D.    None
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