Question
The ratio of age of ‘B’ after 7 years from now and
age of ‘C’ 6 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of the present age of ‘A’. If present age of ‘A’ is 40 years then find the present age of ‘B’.Solution
Present age of ‘C’ = 0.3 × 40 = 12 years 6 years ago from now, age of ‘C’ = 12 – 4 = 8 years 7 years hence from now, age of ‘B’ = 8 × (7/4) = 14 years Present age of ‘B’ = 14 – 7 = 7 years
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Which of the following is true for the time complexity of binary search?
Which data structure is used in BFS (Breadth-First Search)?
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Which of the following is NOT a divide-and-conquer algorithm?
Which of the following is true about the time complexity of Merge Sort?
In intelligent systems, which of the following is a key characteristic of an expert system?
What is the time complexity of inserting an element in a heap?
