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DISHA PUBLICATION-RATIO,PROPORTION AND VARIATION-Practice Exercises (Foundation Level)
- In a mixture of 45 litres, the ratio of milk and water is 3 : 2. How m...
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- The ratio of the rate of flow, of water in pipes varies inversely a...
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- Given that 24 carat gold is pure gold; n18 carat gold is 3/4 gold ...
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- If (p)/( q - r) = (p + q)/( r) = (q)/( p), Then find q : p : r
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- Salaries of A, B and C were in the ratio 3 : 5 : 7, respectively. If t...
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- The average score of boys in an examination of a school is 71 and that...
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- There are two mixtures of honey and water, the quantity of honey in th...
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- What amounts (in litres) of 90% and 97% pure acid solutions are mixed ...
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- Arvind began a business with 550 and was joined afterwards by Brij wit...
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- A, B and C are partners. A receives 9/10 of the profit and B and C sha...
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- A fort had provision of food for 150 men for 45 days. After 10 days, 2...
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- In a mixture of 45 L, the ratio of milk and water is 2 : 1. If this ra...
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- If 40% of a number is equal to two-third of another number, what is th...
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- If the cost of printing a book of 320 leaves with 21 lines on each pag...
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- A and B entered into a partnership with investments of 15000 and 40000...
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- The third proportional to (x^(2) - y^(2)) and (x-y) is :
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- The sides of a triangle are in the ratio (1)/(2) : (1)/(3) : (1)/(4) a...
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- Three friends A, B and C invested money in a business in the ratio 5:7...
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- The numbers of students speaking English and Hindi are in the ratio of...
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- The ratio of males and females in a city is 7 : 8 and the percentage o...
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