Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Count the Triangle in the figure given below:

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?