Solution:
Shalini is younger to Sheetal by 3 months.
Sheetal’s birth date is 24/06/2013. She was born in June 2013.
Therefore, Shalini’s birthdate would be three months after Sheetal’s birth date. That means she was born in September 2013.
Shalini’s birth date is 24/09/2013.
Alex is younger to Shalini by 8 months.
We first add 3 months to Shalini’s birth date which will be 24/12/2013.
Now we will add 5 months to the date 24/12/2013 which will be 24/05/2014.
Alex’s birth date will be on 24/05/2014.