Question
Which traversal method is best for copying a binary
tree?Solution
Post-order traverses children before the root, ideal for duplicating nodes bottom-up.
Eight years ago, the ratio of Raman's age to Chaman's age was 4:5. Twelve years from now, this ratio will change to 13:15. Calculate the current average...
The current average age of 'Akhil', 'Bittu', and 'Chinu' is 42 years. 'Bittu's' age is 25% greater than 'Akhil's'. Twelve years from now, the age ratio ...
Sum of the present ages of A, B, C and D is 40 years. After 6 years ratio of their ages is 6:5:3:2. What is C’s present age?
Five years ago, the ratio of Aman's age to Rahul's age was 6:5. It is also known that Aman's age will be 47 years five years from now. Additionally, R...
Sum of the present ages of A, B, C and D is 60 years. After 6 years ratio of their ages is 6:5:5:4. What is C’s present age?
Eight years ago, the ratio of the ages of Rohan and Sohan was 5:6, respectively. Five years hence, the ratio of the ages of Mohan and Sohan will be 6:7,...
Amit age after 15 years will be 2 times his age 2 years back. What is the present age of Amit?
- A person 'X' is 8 years younger than 'Y' and also 13 years less than twice the age of 'Z'. Given that the ages of 'Y' and 'Z' are in the ratio 5:3, determi...
Amit age after 12 years will be 2 times his age 2 years back. What is the present age of Amit?
Ratio of present ages of A and B is 7:5, respectively. C who is 3 years older than A will become 36 years older after 12 years. Find the present age of B.
