Question

The sum of the ages of a mother, son and daughter is 70 years. If the mother is thrice as old as her son, and the daughter is 5 years older than her brother, how old is the mother?

• A. 42 years
• B. 35 years
• C. 39 years
• D. 45 years

Answer 1

Answer:

C. 39 years

sum of ages mother son daughter =70 son age =A mother age = 3A daughter age = A+5 A+3A+A+5=70 5A=65 A=65/5 A=13 mother age = 13*3=39