First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

What has many keys but can’t open a single lock?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

Can you decipher the below rebus?

PBLUESAISNUERSES

What does below Rebus mean ?

esgg sgeg gegs gsge

Buy me, smell me or deliver me, I do not change.

Who am I?