Shopkeeper's Weights

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.




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Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

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Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

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By using 'because' continuously three times, can you make an English statement ?

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Find the last number in the series below:

voN luJ yaM raM ---

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I am 5 letters long.
My first two tell you who I am
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WHAT AM I ?

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Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Missing Piece Riddle

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When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

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John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.