Can anyone tell me a word in the English dictionary which has a silent 'z'?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Find the next number in the series.
1 10 24 43 67 ?

If eleven plus two equals one, what does nine plus five equal?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Take away the whole and some still remain. What is it?

Which is Odd One Out and why?

4377

3954

9862

8454

9831