Number Patterns

Complete the pattern in the beads of the Abacus.

1. In the 1st string = 1 bead, In the 2nd string = 2 beads,
   In the 3rd string = 3 beads, In the 4th string = 4 beads.
   Follow the same pattern. The correct answer is:
   
2. In the 1st string = 1 bead, In the 2nd string = 2 beads,
   In the 3rd string = 1 bead, In the 4th string = 2 beads.
   Follow the same pattern. The correct answer is:
   
3. In the 1st string = 3 beads, In the 2nd string = 2 beads,
   In the 3rd string = 1 bead, In the 4th string = 3 beads.
   Follow the same pattern. The correct answer is:
   
4. In the 1st string = 9 beads, In the 2nd string = 8 beads,
   In the 3rd string = 7 beads, In the 4th string = 6 beads.
   Follow the same pattern. The correct answer is: