A few years later, the marriage faltered. (failed, broke, became weak)

The average age of a husband and wife at the time of their marriage was 25 years. A son was born to them two years after their marriage. The present average age of all three of them is 24 years. How many years is it since the couple got married? (a) 5 years (b) 6 years (c) 8 years (d) 9 years

When the average age of a couple and their son was 42 years, the son married and got a child after one year. When the child was 5 years old, the average age of the family became 36 years. What was the age of daughter-in-law at the time of their marriage? (a) 23 years (b) 24 years (c) 25 years (d) 26 years

At the time of marriage of a son the average of age of mother, father and son is 42 yrs. After one year of marriage a baby is born when the baby turns 5 years old then the average age of whole family is 36 years. Find the age of their daughter-in-law at the time of her marriage.

A few years ago, the brown plant hopper (Nilaparvata lunges) threatened the cultivation of