Aptitude · all questions

Ratio
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Q241

Open question

In a library the ratio of story books and other books is 7 : 2 and there are 1512 story books. Due to collection of some more story books the ratio becomes 15 : 4. The number of story books collected is = ?

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Q242

Open question

When a particular number is subtracted from each of 7, 9, 11 and 15, the resulting numbers are in proportion. The number to be subtracted is -

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Q243

Open question

The ratio of milk to water in 80 litres of a mixture is 7 : 3. The water (in litres) to be added to it to make the ratio 2 : 1 is -

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Q244

Open question

Two numbers are in the ratio of 3 : 5. If 9 is subtracted from each, they are in the ratio of 12 : 23. What is the large number?

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Q245

Open question

A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5 : 2. The quantity of milk in the mixture is = ?

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Q246

Open question

The sides of a triangle are in the ratio of 7 : 9 : 12. The difference between the length of largest and smaller sides is 15 c.m. The length of the largest sides would be = ?

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Q247

Open question

The three successive angles of a cycle quadrilateral are in the ratio 1 : 3 : 4, find the measure of the fourth angle ?

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Q248

Open question

In a certain company, the ratio of the number of managers to the number of production - line workers is 5 to 72. If 8 additional production - line workers were to be hired, the ratio of the number of managers to the production - line workers would be 5 to 74. How many managers does the company have ?

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Q249

Open question

What number has to be added to the terms 3 : 5 to make the ratio 5 : 6 ?

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Q250

Open question

The ratio of the number of ladies to that of gents at a party was 3 : 2. When 20 more gents joined the party, the ratio was reversed. The number of ladies present at the party was -

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Q251

Open question

The current ages of Sonali and Monali are in the ratio 5 : 3. Five years from now, their ages will be in the ratio 10 : 7. Then Monali's current age is = ?

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Q252

Open question

\frac{a}{b} = \frac{c}{d} = \frac{e}{f},

then each of them is equal to = ?

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Q253

Open question

Present ages of A and B are in the ratio 5 : 6 respectively. After seven years this ratio becomes 6 : 7. Then the present age of A in years is = ?

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Q254

Open question

In a school the ratio of boys and girls is 4 : 5 respectively. When 100 girls leave the school the ratio becomes 6 : 7 respectively. How many boys are there in the school ?

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Q255

Open question

One year ago the ratio of the ages of Sarika and Gouri was 3 : 4 respectively. One year hence the ratio of their ages will be 10 : 13 respectively. What is Sarika's present age ?

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Q256

Open question

If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?

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Q257

Open question

Arrange the number a =

\frac{7}{10},

b =

\frac{5}{8},

c =

\frac{2}{3}

in descending order = ?

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Q258

Open question

A man spends his two months income in three months time, if his monthly income is 6000 , then his annual savings is = ?

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Q259

Open question

A box has 1 rupee, 50 paise and 25 paise coins in the ratio 3 : 2 : 5 worth Rs. 252. The number of 25 paise coins in the box is = ?

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Q260

Open question

The falling height of an object is proportional to the square of the time. One object falls 64 cm in 2 sec then in 6 sec from how much height the object will fall ?

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Ratio
practice.