Q:

There are 2 teams - A and B. If 3 people are shifted from Team A to Team B, then Team B has thrice the number of members than Team A. If 2 people are shifted from Team B to Team A, then Team B has double the number of members than Team A. How many members does Team B have originally? 

• 1
  42
• 2
  45
• 3
  15
• 4
  18