A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

Can you count the number of lines in the below picture?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

In the image given, you can find several triangles. Can you count them all?

During which month do people sleep the least?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?