They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

What begins with T, ends with T, and has T in it?