There are two examinations rooms P and Q. If 10 students are sent from P to Q, then the number of students in each room is the same. If 20 candidates are sent from Q to P, then the number of students in P is double the number of students in Q. The number of students in room Q is

Comments and Answers (2)

Rahul

Rahul

does anyone know the correct answer

Vivek

Vivek

how did the answer came

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