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?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Next Number in the Series,

5, 16, 49, 104, ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

What does an Island and the letter T have in common?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Which alphabet letter is a question?