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The height of Rakesh is in the same proportion as the square root of his age. What will be the height of Rakesh after $7$ years, if he is $4 ft$ tall at the age of $9$ years?

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Important Questions on Ratio and Proportion

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

The sum of three numbers is

777

. The ratio between the first two numbers is

7 : 9

and the ratio between the second and third number is

3 : 7

. The second number is_____.

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

Divide

₹ 8, 288

between

A

B

and

C

such that the proportion of their shares is

5 : 7 : 9

. The share of

C

is:

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

A sum is divided among

A, B, C

and

D

such that the ratio of the shares of

A

and

B

2 : 3

, that of

B

and

C

1 : 2

and that of

C

and

D

3 : 4

. If the difference between the shares of

A

and

D

₹ 648

, then the sum of their shares is:

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

What is the ratio of mean proportional between

1.8

and

3.2

and the third proportional of

5

and

3

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

Mr. Kamal buys 36 bananas for Rs. 20.52. How much money will be paid by him to buy 110 bananas?

(A) Rs. 62.60

(B) Rs. 62.90

(D) Rs. 62.70

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

A, B and C are partners. They share profits in the ratio of

5 : 3 : 6

. If A earns

₹ 1, 92, 380

as his share of profit, then the share profit of C is:

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

A car consumes

5.4 litres

of petrol to cover

60.48 km

, how many kilometres be covered with

22 litres

of petrol?

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

What is the sum of the mean proportional between

10.8

and

4.8

and the third proportional of

2

and

4

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

(5 x + 2 y) ∶ (10 x + 3 y) = 5 : 9

, then

(2 x^{2} + 3 y^{2}) : (4 x^{2} + 9 y^{2}) = ?

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

In a school,

\frac{5}{12}

of the number of students are girls and the rest are boys.

\frac{4}{7}

of the number of boys are below

14

years of age, and

\frac{2}{5}

of the number of girls are

14

years or above

14

years of age. If the number of students below

14

years of age is

1120

, then the total number of students in the school is _____.

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

A sum of

₹ x

is divided among

A

B

,and

C

such that the ratio of the shares of

A

and

B

6 : 7

and that of

B

and

C

3 : 2

. If the difference between the shares of

A

and

C

₹ 540

, then the value of

x

is;

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

What is that number, which is when added to

7, 16, 43, 79

these numbers become proportional?

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

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 on the new alloy is close to:

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

(5 x + 2 y) : (10 x + 3 y) = 5 : 9

, then

(2 x^{2} + 3 y^{2}) : (4 x^{2} + 9 y^{2}) = ?

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

What is the ratio of mean proportional between

3.6

and

12.1

and third proportional between

2

and

11

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

When the price of sugar increased by

28 %

, a family reduced its consumption per month such that the expenditure on sugar was only

12 %

more than the earlier one. If the family consumed

18.4 kg

of sugar per month earlier, then what is its new consumption of sugar per month?

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

x

is subtracted from each of the numbers

20

37

54

and

105

, then the numbers so obtained in this order are in proportion. What is the mean proportional between

(7 x - 5)

and

(x + 1)

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

Two numbers are in the ratio

3 : 5

. If

13

is subtracted from each, the new numbers are in the ratio

10 : 21

. If

15

is added to each of the original number, then the ratio becomes:

EASY

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

A person carries $₹ 165$ in the form of currency notes of $₹ 5$ , $₹ 10$ and $₹ 20$ in the ratio of $3 : 2 : 1$ . What is the value of currency notes of $₹ 20$ denomination?

MEDIUM

General Maths and General Aptitude>Arithmetic>Ratio and Proportion>Proportion

Rs.

730

were divided among

A

B

and

C

in such a way that if

A

gets Rs.

3

, then

B

gets Rs.

4

and if

B

gets Rs.

3.50

, then

C

gets Rs.

3

. The share of

B

exceeds that of

C

by:

The height of Rakesh is in the same proportion as the square root of his age. What will be the height of Rakesh after 7 years, if he is 4 ft tall at the age of 9 years?

Important Questions on Ratio and Proportion

Learn and Prepare for any exam you want !

The height of Rakesh is in the same proportion as the square root of his age. What will be the height of Rakesh after $7$ years, if he is $4 ft$ tall at the age of $9$ years?