What Time Should the last watch show in the below figure?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What can you hold in your right hand, but never in your left hand?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

Why do you find that most of the buildings are deprived of the 13th floor?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

What word is represented by this rebus?

I know a nine-letter word having only one vowel.
Do you ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you make four (4) nines (9) equal 100?