You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

How many words can a pen with half refill write?

Which digit occurred maximum times between the number 1 and 1000?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

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

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?