Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

I have Rs.50 and I spend it in the way as below.

Move four matchsticks to the below square to form three squares?

What is the largest number you can write with just 3 digits?

What occurs twice in a week, once in a year but never in a day?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?