IAS Interview Question

If it took eight men ten hours to build a wall, how long would it take four men to build it?




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During which month do people sleep the least?

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If,

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The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

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The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

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Begin with a word, five letters to my name,
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Take out my middle and still, I remain.
What word am I?

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Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.