Replace the question mark with the correct number below.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

How do you go from 98 to 720 using just one letter?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Can you solve below mathematical equation?

2^1234 - 2^1233

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

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?