CUET Preparation Today
In a class, boys stand in a single line. One of the boy's in nineteenth in order from both ends. How many boys are there in the class? |
39 37 27 30 |
37 |
Method, Add position of that boy from both side and subtract one from it due to his double count. Number of boys in the class = (19 - 1 +19) = 37 |
