Subject
Quantitative Aptitude
Topic
Age
7 years ago, the ratio of the ages of Anirudh to that of Bhavana, was 7:9. Chandhu is 12 years older than Anirudh and 12 years younger than Bhavana. What is Chandhu's present age?
7 years ago, the ratio of the ages of Anirudh to that of Bhavana, was 7:9. Chandhu is 12 years older than Anirudh and 12 years younger than Bhavana. What is Chandhu's present age?
ক)
91 yearsখ)
115 yearsগ)
103 yearsঘ)
Can't be determinedExplanation
Let present Anirudh's age be 'A' and Bhavana's age be 'B' Given seven years, their ratio is 7:9 => A-7 : B-7 = 7 : 9 => 9A - 7B = 14 .......(1) And given, Chandhu is 12 years older than A nad 12 years younger than B => C = A + 12....(2) => B = C + 12 => B = A + 12 + 12 .....(From (2)) => B = A + 24 ....(3) Put (3) in (1) 9A - 7(A+24) = 14 9A - 7A - 168 = 14 2A = 182 => A = 91 years => C = A + 12 = 91 +12 = 103 years.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?