If you say my name, I will no longer exist. What am I?

What is always in front of you but can’t be seen?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

Why is a river so rich ?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What number should come in place of the question mark below?

Which alphabet is a part of our body?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?