One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

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

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What Adam and Eve do not have but the rest of the people have?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

How many letters are in the alphabet?