Question

The ages of two friends Ani and Biju differ by 3 years . Ani's father Dharam is twice as old as Ani and Biju is twice as old as his sister Cathy . The ages of Cathy and Dharam differ by 30 years . Find the ages of Ani and Biju​

Answer 1

Answer:

ani's age = a

biji's age = b

ani's father, dharma's age = d cathy's age=c

A/q

a-b=3

(1) d=2a___(2)

b= 2c

c=b/2_ (3)

d-c = 30 (4)

putting value of (2) and (3) in 4

2a - (b/2) = 30

(5) now subtracting (1) and (5), we get,

→ 4a -b = 60

a = 19 years

b=19-3= 16 years

anji's age = 19 years

biji's age = 16 years

Step-by-step explanation:

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Answer 2

Answer:

(19 years and 16 years) ; ( 21 years and 24 years)