The respective ratio between the present age of Aarti and Savita is 5 : x. Aarti is 9 years younger than Jahnavi. Jahnavi’s age after 9 years will be 33 years. The difference between Savita’s and Aarti’s age is same as the presen age of Jahnavi. What will come in place of x ?

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BANK PO Exam (Ibps Bank) 2011 click here to view all questions

The respective ratio between the present age of Aarti and Savita is 5 : x. Aarti is 9 years younger than Jahnavi. Jahnavi’s age after 9 years will be 33 years. The difference between Savita’s and Aarti’s age is same as the presen age of Jahnavi. What will come in place of x ?

A21

B37

C17

DNone of these

Nithin ? undefined

Correct answer is: None of these

Explanation:

Jahnavi’s present age = 33 - 9 = 24 years
=> Aarti’s present age = 24 - 9 = 15 years
Now, Aarti : Savita = 5 : x = 15 : 3x
=> Savita’s present age = 3x years

\(\therefore 3x - 15 = 24\)

\(\implies 3x = 24 + 15 = 39\)

\(\implies x =\frac{39}{3}= 13\)

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The ratio of the present age of Manoj to that of Wasim is 3: 11 Wasim is 12 yr younger than Rehana. Rehana's age after 7 yr will be 85 yr. What is the present age of Manoj's father, who is 25 yr older than Manoj?

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BANK PO Exam (Indian Overseas Bank) 2011 click here to view all questions

The ratio of the present age of Manoj to that of Wasim is 3: 11 Wasim is 12 yr younger than Rehana. Rehana's age after 7 yr will be 85 yr. What is the present age of Manoj's father, who is 25 yr older than Manoj?

A43 yr

B67 yr

C45 yr

D69 yr

Nithin ? undefined

Correct answer is: 43 yr

Explanation:

Let the present ages of Manoj and Wasim are 3x yr and 11x yr, respectively.

According to the question, 11x = 85 - 7 - 12

11x = 66

x = 6

Present age of Manoj = 3 x 6 = 18 yr

Hence, present age of Manoj's father = 18 + 25 = 43 yr

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The respective ratio between the present age of Ram, Rohan and Raj is 3 : 4 : 5, If the average of their present age is 28 years then what would be the sum of the age of Ram and Rohan together after 5 years?

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The respective ratio between the present age of Ram, Rohan and Raj is 3 : 4 : 5, If the average of their present age is 28 years then what would be the sum of the age of Ram and Rohan together after 5 years?

A45 years

B55 years

C52 years

D59 years

Nithin ? undefined

Corrent answer is: 59 years

Explanation:

Let the present age of Ram. Rohan and Raj be 3x, 4x and 5x years respectively.

\(3x + 4x + 5x = 3×28\)

\(= 12x = 84 \implies x = \frac{84}{12}=7\)

Sum of the age of Ram and Rohan after 5 years

\(= 3x + 4x + 10 = 7x + 10\)

\(= 7×7+10 = \text{59 years}\)

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The respective ratio between the present age of son, mother, father and grandfather is 2 : 7 : 8 : 12. The average age of son and mother is 27 years. What will be mother's age after 7 years?

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The respective ratio between the present age of son, mother, father and grandfather is 2 : 7 : 8 : 12. The average age of son and mother is 27 years. What will be mother's age after 7 years?

A40 years

B41 years

C48 years

D49 years

Nithin ? undefined

Correct answre is: 49 years

Explanation:

According to the question,
\(\Large \frac{2x+7x}{2}=27\)

\(\implies \Large 9x = 27 \times 2 = 54\)

\(\implies x = \frac{54}{9}=6\)

Therefore Mother's age after 7 years

\(= \Large 7x + 7 = 7 \times 6 + 7\)

= 49 years

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The respective ratio between the present age of Ram and Rakesh is 6 : 11. Four years ago the ratio of their age was 1 : 2 respectively. What will be Rakesh's age after five years?

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BANK PO Exam (Corporation Bank) 2011 click here to view all questions

The respective ratio between the present age of Ram and Rakesh is 6 : 11. Four years ago the ratio of their age was 1 : 2 respectively. What will be Rakesh's age after five years?

A45 years

B29 years

C49 years

DCannot be determined

Nithin ? undefined

Correct answer is: 49 years

Explanation:

Let Ram's present age be 6x years and that of Rakesh be 11x years.
Four years ago,

\(\Large \frac{6x-4}{11x-4}=\frac{1}{2}\)

\(\implies 12x - 8 = 11x - 4\)

\(\implies x = 8 - 4 = 4\)

Therefore, Rakesh's age after five years = 11x + 5

\(= 11×4+5 = 49 \text{ years}\)

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The respective ratio of the present age of Swati and Trupti is 4 : 5. Six years hence the respective ratio of their age will be 6 : 7. What is the difference between their age?

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The respective ratio of the present age of Swati and Trupti is 4 : 5. Six years hence the respective ratio of their age will be 6 : 7. What is the difference between their age?

A2 years

B3 years

C4 years

DCannot be determined

Nithin ? Aug 15 '2022 at 12:3

Correct answer is: 3 years

Explanation:

Let Swati's present age = 4x years
'I'rupti's present age = 5x years

\(\Large \frac{4x+6}{5x+6}=\frac{6}{7}\)

\(\implies 30x + 36 = 28x + 42\)

\(\implies 2x = 42 - 36 = 6\)

\(\implies x = 3 = \text{difference of their age}\)

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The ratio of the present age of Meena and Fiona is 16 : 13 respectively. Four years ago the respective ratio of their age was 14 : 11. What will be Fiona's age four years from now?

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The ratio of the present age of Meena and Fiona is 16 : 13 respectively. Four years ago the respective ratio of their age was 14 : 11. What will be Fiona's age four years from now?

A8 years

B32 years

C26 years

DNone of these

Nithin ? Aug 15 '2022 at 8:38

Correct answer is: None of these

Explanation:

Let the present age of Meena and Fiona be 16x and 13xyears respectively.
According to the question,

\(\implies \Large \frac{16x-4}{13x-4}=\frac{14}{11}\)

\(\implies 176x - 44 = 182x - 56\)

\(\implies 182x - 176x = 56 - 44\)

\(\implies 6x =12 => x = \frac{12}{6} = 2\)

Therefore, Fiona's age after four years = 13x + 4

\(= 13×2+4 = 30 \text{ years}\)

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