An 8-digit number 4252746B leaves remainder ‘0’ when divided by 3. How many values of B are possible?

In 2002, Meenu’s age was one-third of the age of Meera, whereas in 2010, Meenu’s age was half the age of Meera. What is Meenu’s year of birth?

A family has two children along with their parents. The average of the weights of the children and their mother is $50$ kg. The average of the weights of the children and their father is $52$ kg. If the weight of the father is $60$ kg, then what is the weight of the mother?

Number 136 is added to $5B7$ and the sum obtained is $7A3$, where $A$ and $B$ are integers. It is given that $7A3$ is exactly divisible by 3. The only possible value of $B$ is:

In a school every student is assigned a unique identification number. A student is a football player if and only if the identification number is divisible by 4, whereas a student is a cricketer if and only if the identification number is divisible by 6. If every number from 1 to 100 is assigned to a student, then how many of them play cricket as well as football?

Ena was born 4 years after her parents’ marriage. Her mother is three years younger than her father and 24 years older than Ena, who is 13 years old. At what age did Ena’s father get married?