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 are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What Time Should the last watch show in the below figure?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Why did Buffon take the goal with him after every Juventus match?

Find the missing letter in the last circle logically in the given below picture.

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?