When 99 is considered higher than 100?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Can you count the number of lines in the below picture?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?