Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Can you find out the remainder when 3^300 is divided by 5?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Can you place six X (crosses) in below board without making three in a row in any way ?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Find the next number in the sequence

5 12 24 36 ?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?