Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Using eight eights and addition only, can you make 1000?

Find the number of squares in the below-given picture.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What can go through glass without breaking it?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

What is black when you buy it, red when you use it, and gray when you throw it away?