Question

The ages of Rahul and Laxmi are in the ratio 5:7 .Four years later , the sum of their ages will be 68 years . What are their present ages​

Answer 1

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Age Of Rahul =5x

age of laxmi=7x

four years later

age of rahul=5x+4

age of laxmi=7x+4

sum of their ages=56

5x+4+7x+4=56

12x+8=56

12x=48

x=4

age of rahul=4 x 5=20

age of laxmi=4 x 7 =28

Answer 2

Step-by-step explanation:

The Ratio of rahul and laxmi's present ages = 5:7

Let x be any number.

After 4 years:

Rahul's age = 5x + 4

Laxmi's age = 7x + 4

Given that sum of their ages after 4 years is 68 years.

So, according to the question:

5x + 4 + 7x + 4 = 68

12x + 8 = 68

12x = 60

x = 5

Present Age Of,

Rahul = 5x = 5×5 = 25

Laxmi = 7x = 7×5 = 35

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