A man dies of old age on his 25 birthday. How is this possible?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Be active and find the killer in the picture Riddle below.

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

There is a place where if I stand up straight, I will still be considered sideways.