Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

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

Can you count the number of triangles in the given picture?

What's the best place to go shopping in the ocean?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What has many keys but can’t open a single lock?