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#1 - Tolling Bells Tricky Interview Problem

Difficulty Popularity

In a school, six bells are installed. All of them commence tolling together at the intervals of 2, 4, 5, 8, 10 and 12 seconds respectively. Can you find out how many times do they toll together in thirty minutes?

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#2 - Factors Interview Puzzle

Difficulty Popularity

What is the smallest possible value of a when both 117 and 88 are the factors of no. a*47*64*1313?

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#3 - Cisco Number Interview Question

Difficulty Popularity

There is a 4 digit number that may comprise of 6, 2, 7 and 5 digits. Please take note that none of the numbers are repeated. Can you find out the possible number of combinations that are divisible by 36?

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#4 - Time Interview Question

Difficulty Popularity

In a school, four bells ring at an interval of 4, 8, 6 and 10 minutes. They all toll together when the clock strikes 2:00 am.

What must be the time on the clock when they toll together again?

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#5 - Prime Number Factor Problem

Difficulty Popularity

How many prime numbers that lies between one and hundred are factors of 7150 ?

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#6 - Highest Common Factor Interview Puzzle

Difficulty Popularity

Determine the largest number which is a factor of 1080 and 729.

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#7 - LCM Maths Interview Problem With Answers

Difficulty Popularity

Can you tell the lowest integer that is divisible by each integers ranging from 1 to 7 (inclusive) ?

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