If six children and two dogs were under an umbrella, how come none of them got wet?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

What has many teeth, but cannot bite?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Do You See It?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?