1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

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?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

I cannot talk, but I always reply when spoken to. What am I?

Before Mount Everest was discovered, what was the highest mountain in the world?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

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

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?