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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What is the next number in this matchsticks series riddle?

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Daughter's Name is FORTY TWO
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solve this tricky problem?

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In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

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There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

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But it is quite possible, do you know how?

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One is to three as three is to five and five is to four and four is the magic number.
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Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.