A professor thinks of two numbers

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?




Similar Riddles

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?

Asked by Neha on 14 Sep 2023


Prove that the below maths equation is true.

8 + 8 = 91

Asked by Neha on 16 Aug 2021

Can you find a five letter word that is left with only two letters if one is removed?

Asked by Neha on 20 Jul 2021


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

Asked by Neha on 15 Feb 2022

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

Asked by Neha on 17 May 2021

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

Asked by Neha on 13 Jul 2025


I’m tall when I’m young, and I’m short when I’m old. What am I?

Asked by Neha on 07 May 2022

Can you start the fire using two pieces of wood?

Asked by Neha on 04 Sep 2024

Can you fill the blank with the correct number?

6 30 870 756030 _____

Asked by Neha on 20 Feb 2023


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?

Asked by Neha on 02 Dec 2024

Hot Articles

Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki