৭৭৮৪
A man and a woman are brother and sister. Someone asked them: "Who is older?" The sister said: "I am older." The brother said "I am younger." Which of the following is true if at least one of them is lying?
উত্তর
Both were laying
৭৭৮৫
At the end of a game 10 people shake hands with each other. How man handshakes are there in total?
উত্তর
45
৭৭৮৮
When red is X, green is Y, When green is not Y, blue is Z, but the is never Z as long as red is red is X. Which of the following statements is true in this context?
উত্তর
While green is not Y, red is not X