How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

What is at the end of a rainbow?

How many triangles are there in the picture below?

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

In the image below, can you find the value of an angle(y)

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?