When monkey rotate the gear, which mark will be hit 1 or 2 ?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Find the next number in the following series:
6, 14, 26, 98, __?

Prove that the below maths equation is true.

8 + 8 = 91

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

What is always in front of you but can’t be seen?