Subject
Quantitative Aptitude
Topic
Age
In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the present age of B is :
In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the present age of B is :
ক)
19খ)
29গ)
39ঘ)
49Explanation
Let , B's present age = x years. Then, A's present age = (x + 9) years. ACQ , (x + 9) + 10 = 2(x - 10) => x + 19 = 2x - 20 => x =39.Related questions
If Raj was one-third as old as Rahim 5 years back and Raj is 17 years old now, How old is Rahim now?Ashok is 3 years elder than Balu who is now 4 times as old as Jaswanth. Jaswanth is now 6 years old. What was Ashok’s age when Jaswanth was born?Sivagami is 2 years elder than Meena. After 6 years the total of their ages will be 7 times of their current age. Then age of Sivagami is :The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the elder child among 5 children?A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son isThe sum of the present ages of Jai, Prem, and Saran is 93 years. Ten years ago, the ratio of their ages was 2:3:4. What is the present age of Sara?A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is5 years ago,the average age of P and Q was 15 years average age of P,Q and R today is 20 years.How old will R be after 10 years?