# Applications engineer Interview Questions

applications engineer interview questions shared by candidates

## Top Interview Questions

You have 2 light bulbs. You are in multistory building such that if you drop a bulb from a floor of a certain height or higher the bulb will break: for ex: if the bulb will break at a minimum height of 10th floor, then the bulb will break if dropped only if dropped from a floor higher than tenth floor. it will not break if dropped from ninth floor or less. using the two bulbs how will you figure out at which floor will the bulb break? Keep going from floor to floor starting from 1 to 2 to 3 and so on.....the first bulb will break at the threshold. So you basically don't even need the second bulb to decide which is the critical floor. I forgot to mention that you have to try to figure out the floor in the least amount of tries. so incase the minimum floor is 100, you shouldn't try all the floors. The solution posted above works, but is the least efficient. With 2 bulbs we can skip 3 floors at a time. 1) Drop bulb #1 at floor x 2) If it breaks then try floor x-1 else try floor x+3 Start with floor 1. Show more responses |

10 people can share a bucket of coins equally. A monkey steals one coin. The no of coins are one less than equal share. one person after the other tries to take the coin but monkey kills them(killing spree?? :-)). each time a person dies the no of coins are always one short of equal share. what were the no of coins originally?. |

Tell me a palindrome date before 10-02-2001 (mm-dd-yyyy) |

Write a Java program to count the number of occurances of each number in a series of numbers. |

What is your weakness? |

What data structure to use for Smartphone lock screen |

You have a 3 litre container & a 5 litre container filled with water to the brim.You also have a 5 litre container which is empty.How would you extarct or make an exact amount of 4 litres of water in any of the containers. You are not allowed to throw the water outside the containers. You can transfer the water from 1 Container to the other. |

If a 10 kgs silver ball and a 1000 kgs silver ball is dropped from a height of 2 kms which will touch the floor first ? |

Problem solving: 1. Given a no. Find next highest no. containing same digits. 2. Given a array and a value k. Find all unique pairs that sums up to k. 3. Anagram check. 4. Given a array, i, j. Find all nos. such that j > i and array[j] > array[i]. 5. Boolean matrix problem. make all the values in a row or column as '1' if there is at least one '1' in that row or column. 6. Given a array where consecutive digits differences out to particular set of values and no. 'k'. Find the index of 'k'. Use hashing. Scripting: 1. Given a log file containing req ID and time consumed. Find all req. IDs consuming time more than certain seconds. Red ID: xyz Time: 10 2. Given a file containing 'Stundent,Marks'. Sum the marks of students and display totals marks student wise. I/P: Stud1,20 Stud2,30 Stud1,10 Stud2,30 O/P: Stud1,30 Stud2,60 |

Friends A, B, C, D go for a trip. They spend on various expenses. Cost of the expense is shared. Example : A spends 100 for breakfast for A, B, C and D D spends 500 for cab for B and C B spends 300 for lunch for A, B and C Write a program to calculate how much each should get or each should give to one another. App should be scalable that number of friends can change |

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