If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Can you count the number of triangles inside a triangle?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

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?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?