Skip to contentSkip to footer

Interns Interview Questions

Salaries
Interviews

248,402 interns interview questions shared by candidates

There are 9 marbles. All looks exactly same (color, size). But one marble is slightly heavier. You cannot tell the difference with your hand/eyes. But you have a very sensitive and accurate balance (Taraju). You have to pay Rs 1000 each time you use the balance. You need to find out the HEAVIEST marble using the balance least number of time. How many time would you use the balance to find out the heaviest marble?
avatar

Software Developer Intern

Interviewed at ComplianceQuest

4★
Oct 3, 2020

There are 9 marbles. All looks exactly same (color, size). But one marble is slightly heavier. You cannot tell the difference with your hand/eyes. But you have a very sensitive and accurate balance (Taraju). You have to pay Rs 1000 each time you use the balance. You need to find out the HEAVIEST marble using the balance least number of time. How many time would you use the balance to find out the heaviest marble?

Brain Teaser: Given a room with 3 light bulbs which have their respective three switches (On/Off) outside the room. You don't know which switch corresponds to which light bulb. You can do whatever you want with the switches but you can enter the room only once. How will you find which light switch corresponds to which light bulb?
avatar

Software Intern

Interviewed at Halliburton

3.7★
Oct 21, 2012

Brain Teaser: Given a room with 3 light bulbs which have their respective three switches (On/Off) outside the room. You don't know which switch corresponds to which light bulb. You can do whatever you want with the switches but you can enter the room only once. How will you find which light switch corresponds to which light bulb?

Viewing 671 - 680 interview questions

Glassdoor has 248,402 interview questions and reports from Interns interviews. Prepare for your interview. Get hired. Love your job.