Carolina is a young woman of $24$ years of age. Frida, her cousin sister, is $6$ years elder to her. What is the equivalent decimal of Carolina's age to Frida's age?

0.4

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0.8

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0.6

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Solution

The correct option is B $0.8$
Carolina's age $= 24$ years
Frida's age $= 24 + 6$
$= 30$ years

$\frac{Carolina' s age}{Frida' s age} = \frac{24}{30} = \frac{6 \times 4}{6 \times 5} = \frac{4}{5} = \frac{4 \times 2}{5 \times 2} = \frac{8}{10} = 0.8$
So, the equivalent decimal of the ratio of their ages is $0.8$

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Answer the following:

Take Sarita’s present age to be $y$ years.

(i) What will be her age $5$ years from now?

(ii) What was her age $3$ years back?

(iii) Sarita’s grandfather is $6$ times her age. What is the age of her grandfather?

(iv) Grandmother is $2$ years younger than grandfather. What is grandmother’s age?

(v) Sarita’s father’s age is $5$ years more than $3$ times Sarita’s age. What is her father’s age?

Question 1(a)

Answer the following:

Take Sarita’s present age to be y years.

(i) What will be her age 5 years from now?

(ii) What was her age 3 years back?

(iii) Sarita’s grandfather is 6 times her age. What is the age of her grandfather?

(iv) Grandmother is 2 years younger than grandfather. What is grandmother’s age?

(v) Sarita’s father’s age is 5 years more than 3 times Sarita’s age. What is her father’s age?

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Carolina is a young woman of 24 years of age. Frida, her cousin sister, is 6 years elder to her. What is the equivalent decimal of Carolina's age to Frida's age?

The correct option is B 0.8Carolina's age =24 years Frida's age =24+6 =30 years Carolina's ageFrida's age=2430 =6×46×5 =45 =4×25×2 =810 =0.8 So, the equivalent decimal of the ratio of their ages is 0.8

Carolina is a young woman of $24$ years of age. Frida, her cousin sister, is $6$ years elder to her. What is the equivalent decimal of Carolina's age to Frida's age?