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Oracle Interview Experience | Set 41 ( On Campus )

  • Difficulty Level : Medium
  • Last Updated : 28 Jun, 2021

ROUND 1:  Aptitude


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  1. Write a program to identify the first repeating integer in an array.
  2. Greedy approach based questions.


  1. Explained the project and was asked to draw a database design for my project and also to normalize them and various queries regarding the design.
  1. Write a code to count the maximum number of bugs that can be placed in a M*N matrix in a minesweeper game provided we cannot keep the bugs in the cells surrounding a bug. EX:

ROUND 4:This is just one possible combinations. Try all the possible combinations and find the maximum count.

  1. What is the meaning of your name ?
  2. What kind of books you read?
  3. Who is your inspiration and why ?
  4. What is your father and mother doing?
  5. Write a program to find the mirror image of a tree.
  6. Write a program to find all the pairs of numbers between 1 and 1000 that satisfy the following condition If the sum of divisiors of A is B then sum of  divisors of B is A.
  1. Ant puzzle problem. In a triangle three ants lie at each corner. If the ants move along the edges of a triangle. What is the probability that they do not collide each other.
  2. If a fruit seller has initially 2000kg of watermelons in the morning out of which 99% is water. In the evening the watermelons shrink and the total water content is 98%. If none of the fruits are sold find the total weight of fruits.
  3. Who will win the game ?X or O
  1. Given 12 words each of three letters. If I tell you a single letter of my secret word then you can say the total number of vowels in my secret word. What is my secret word?

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