question_answer

Mr. Guru wrote a 2-digit number on the blackboard. Three students Gopal, Raju and Prashanth said the following about that number :

Gopal: It is a 2-digit number but not the least.

Raju: It is a the predecessor of least 3-digit number.

Prashanth: It is having three different digits.

What is the number, if only two of the three students said the truth?

A) 10                         

B) 99  

C) 100                       

D) 123