There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?