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?

How many triangles can you count in the figure given?

A sundial has the fewest moving parts of any timepiece. Which has the most?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you name some countries which do not have the alphabet 'A' in them?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

What begins with T, ends with T, and has T in it?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?