Question

Ravi's mothers present age is 5 times the present age of ravi.after seven years thier ages will be add upto 44 years.Find thier ages
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Step by step explanation​

Answer 1

Answer:

Sum of Ravi and hos mother  ages after 7 years = 49 years   or  37 1/3 Years

Step-by-step explanation:

Let Say Ravi Present Age  = R  

Ravi Mother Present Age = 6R

after 5 years age of ravi will be one third of his mother's age ( Present age)

=> ( R + 5)  = 6R/3

=> 3R + 15  = 6R

=> 3R = 15

=> R = 5

Ravi Present Age = 5 Year

Mother Present Age = 30 Years

after 7 Years

Ravi age = 12 Years

Mother Age = 37 years

Total Age = 12 + 37 = 49  Years

after 5 years age of ravi will be one third of his mother's age (  age after 5 years)

( R + 5)  = (6R+ 5)/3

=> 3R + 15  = 6 R + 5

=> 3R = 10

=> R =10/3

Ravi Age = 10/3

Mother = 20 Years

after 7 Years

Ravi age = 10/3 + 7  = 31/3 Years

Mother Age = 20+ 7 = 27 years

Total Age = 31/3 + 27 = 112/3  = 37 1/3  Years

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