The no. of members in 9 families is listed. 3, 4, 5, 4, 3, 2, 6, 5, 3 How many families have exactly 3 members?
Ankita is suffering from high fever. The doctor told the family members to give her hot coffee as soon as possible. For making coffee out of LPG, Coal and Cow dung father chosed LPG. Why did he do so?