Question

The difference between the age of Radha and
Dolly is 10 years. After 5 years Radha's age will
become twice that of Dolly. Find their present
ages.​

Answer 1

Step-by-step explanation:

Let the age of radha and dolley be a and b

Now,

a-b=10yrs

or,a=10+b........eq(1)

After 5 yrs,

age of radha= a+5

age of dolley=b+5

now,

2a=b...eq(2)

2(10+b)=b

20+2b=b

2b-b=20

b=20yrs

therefore dolley is 20 yrs

now

subt. the value of b in eq(2)

2a=20

a=20/2

a=10

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