what's the probability of getting a king or a queen from a pack of 52 cards?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Take away the whole and some still remain. What is it?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

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

I am lying and I always lie. Tell me whether I am lying or telling the truth.