A Basic info about the company:

Delcam is a supplier of cutting-edge CAD/CAM software for the manufacturing industry. The company is listed on the UK Stock Exchange and has developed gradually since it was founded in 1977, after preliminary expansion work at Cambridge University, UK. Delcam is now a worldwide developer of product design and manufacturing software, with divisions and joint ventures in North America, South America, Europe and Asia with a total staff of over eight hundred people and local support offered in over three hundred re-seller offices worldwide.

The motive behind posting these Delcam Interview Puzzles is to help you shape your skills and making you much more confident while appearing in the interviews.

Difficulty Popularity

You have ten sets of 10 coins. You are aware of exactly how much the coins weigh. You also know that all the coins in one set of ten are exactly a hundredth of an ounce off which makes the entire set of the ten coins a tenth of an ounce off. Also you are aware of the fact that all the other coins weight the correct amount. Now you are allowed to use an exceptionally precise digital weighing machine only once.

Can you identify which set of 10 coins is faulty?

Can you identify which set of 10 coins is faulty?

Difficulty Popularity

Can you determine how many times do the minute and hour hands of a clock overlap in a day?

Difficulty Popularity

If you see a reflection of an analogue clock which shows 2:30, what will be the original time?

Difficulty Popularity

The scenario comprises of a wobbly bridge and four people. It is the night time and the people have only one torch. Without torch one may risk his life in crossing the bridge. Also we have a condition; the bridge is not quite strong and can hold only two persons together at one. The four people take different time to cross the bridge - 1 min, 2 min, 7 min and 10 min.

Since the torch is a necessity and the bride can't hold more than two persons at a time, two persons must travel at a time out of which one must return with the torch so they don't risk their life crossing in the dark.

What is the shortest time that will be required for all of them to cross the bridge?

Since the torch is a necessity and the bride can't hold more than two persons at a time, two persons must travel at a time out of which one must return with the torch so they don't risk their life crossing in the dark.

What is the shortest time that will be required for all of them to cross the bridge?

Difficulty Popularity

Can you find out the angle between the minute hand and the hour hand at 3:15 on an analog clock? Think hard and then come to a conclusion.

21 January

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20 January

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19 January

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18 January

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17 January

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16 January

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15 January

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