How many words can a pen with half refill write?

How is the moon similar to a dollar?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Can you find the company name in the pictogram below?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Why Wine Glass Stem is so long?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?