Aptitude · all questions

Ratio
practice.

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Q301

Open question

The monthly incomes of A and B are in ratio 3 : 5 and the ratio of their saving is 2 : 3. If the income of B is equal to three times the saving of A, then what is the ratio of the expenditures of A and B?

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Q302

Open question

Rs. 6,300 is divided between X, Y, Z such that X : Y = 7 : 5 and Y : Z = 4 : 3. Find the share of Y.

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Q303

Open question

A certain sum is divided between A, B, C and D such that the ratio of the shares of A and B is 1 : 3, that of B and C is 2 : 5, and that of C and D 2 : 3. If the difference the shares of A and C is Rs. 3,510, then the share of D is:

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Q304

Open question

The income of A is

\frac{2}{3}

of B's income and the expenditure of A is

\frac{3}{4}

of B's expenditure. If

\frac{1}{3}

of the income of B is equal to the expenditure of A, then the ratio of the savings of A to those of B is:

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Q305

Open question

The ratio of the monthly incomes of X and Y is 5 : 4 and that of their monthly expenditures is 9 : 7. If the income of Y is equal to the expenditure of X, then what is the ratio of the saving of X and Y?

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Q306

Open question

A sum of Rs. 1250 has to distributed among A, B, C and D. Total share of B and D is equal to (14/11) of total share of A and C. Share of D is half of share of A. Share of C is 1.2 of share of A. What are the shares of A, B, C and D respectively?

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Q307

Open question

The ratio of boys and girls in a school is 27 : 23. If the difference between the number of boys and girls is 200, then find the number of boys.

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Q308

Open question

Alloy A contains metals x and y only in the ratio 5 : 2 and alloy B contains these metals in the ratio 3 : 4. Alloy C is prepared by mixing A and B in the ratio 4 : 5. The percentage of x in alloy C is:

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Q309

Open question

a : b : c = \frac{1}{4} : \frac{1}{3} : \frac{1}{2},

then

\frac{a}{b} : \frac{b}{c} : \frac{c}{a} = ?

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Q310

Open question

The sum of three numbers is 280. If the ratio between the first and second numbers is 2 : 3 and the ratio between second and third numbers is 4 : 5, then find the second number.

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Q311

Open question

The fourth proportional to 10, 12, 15 is:

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Q312

Open question

Alloy A contains copper and zinc in the ratio of 4 : 3 and alloy B contains copper and zinc in the ratio of 5 : 2. A and B are taken in the ratio of 5 : 6 and melted to form a new alloy. The percentage of zinc in the new alloy is closest to:

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Q313

Open question

One cup has juice and water in the ratio 5 : 2, while another cup of the same capacity has them in the ratio 7 : 4, respectively. If contents of both the cups (when full) are poured in a vessel, then what will be the final ratio of water to juice in the vessel?

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Q314

Open question

A box contains 280 coins of one rupee, 50 paise and 25 paise. The value of each kind of the coins are in the ratio of 8 : 4 : 3. Then the number of 50 paise coins is

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Q315

Open question

In a school,

\frac{3}{8}

of the number of students are girls and the rest the are boys. One third of the number of boys are below 10 years and

\frac{2}{3}

of the number of girls also below 10 years. If the number of students of age 10 or more years is 260, then the number of boys in the school is:

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Q316

Open question

When 5 children from class A join class B, the number of children in both classes is the same. If 25 children from B, join A, then the number of children in A becomes double the number of children in B. The ratio of the number of children in A to those in B is:

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Q317

Open question

A person divided a certain sum between his three sons in the ratio 3 : 4 : 5. Had he divided the sum in the ratio

\frac{1}{3} : \frac{1}{4} : \frac{1}{5},

the son, who got the least share, would have got Rs. 1,188 more. The sum in (in Rs.) was:

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Q318

Open question

Salaries of B, C, D and E are in the ratio of 2 : 3 : 4 : 5 respectively. Their salaries are increased by 20 percent, 30 percent, 40 percent and 50 percent respectively. If the increased salary of D is Rs. 560, then what is the sum of the original salaries of B, C, D and E?

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Q319

Open question

A sum of Rs. 46,800 is divided among A, B, C and D in such a way that the ratio of the combined share of A and D to the combined share of B and C is 8 : 5. The ratio of the share of B to that of C is 5 : 4. A receives Rs. 18,400. If x is the difference between the share of A and B and y is the difference between the share of C and D, then what is the value of (x - y) (in Rs.)?

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Q320

Open question

If a, b and c are positive numbers such that (a² + b²) : (b² + c²) : (c² + a²) = 34 : 61 : 45, then b - a : c - b : c - a = . . . . . . .

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Ratio
practice.