People make me, save me, change me, raise me. What am I?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

Find the hidden tiger in the given optical illusion ?

A father's child, a mother's child, yet no one's son.

Who am I?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

Can you spot the hidden girl in the picture below?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?