Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

How many triangles are there in the picture below?

Which is heavier: a ton of bricks or a ton of feathers?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

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

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Which wheel of car does not rotate when you turn your car right?

Name a key which is hardest to turn.