Pick the correctly punctuated form of the given sentence.
Where are the suspects pushkar dayanand birju and altaf
Where are the suspects Pushkar, Dayanand, Birju, Altaf?
Where are the suspects, Pushkar, Dayanand, Birju and Altaf?
Where are the suspects Pushkar, Dayanand, Birju and Altaf?
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 differs by 30 years. Find the ages of Ani and Biju.