Count the squares in the matchstick puzzle below?

When it is alive we sing, when it is dead we clap our hands. What is it?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

What has a ring but no finger?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

When we see 2 but call 10?

If an electric train is travelling south, then which way is the smoke going?