Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Count the number of squares in the picture below.

Who can jump higher than a Mountain?

What does this rebus riddle means ?

You need to move three matchsticks to form three squares. Can you do it?

Two old friends, Jack and Jill, meet after a long time, and discussing as:

Jack: Hey, how are you, man?

Bill: Not bad, got married and I have three kids now.

Jack: That's awesome. How old are they?

Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.

Jack: Cool..But I still don't know.

Bill: My eldest kid just started taking piano lessons.

Jack: Oh, now I get it.

How old are Bill's kids?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What work can one never finish?