engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Quantitative Aptitude Algebra Linear Equation in 2 Variable
There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:
1
20
2
80
3
100
4
200