The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Can you write down eight eights so that they add up to one thousand?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Which is faster, Heat or Cold ? Explain.

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

What word is pronounced the same if you take away four of its five letters?

What is the Surname of Barbie Doll?