Write the successor of $9,24,999$.

Write the successor of $10,00,000$.

Write the predecessor of $70,00,000$.

Write the predecessor of $83,24,000$.

Write the predecessor of $45,68,909$.

Write the predecessor of $61,00,000$.

Write the next numbers in the sequence:

$13,43,678 ; 13,44,678 ; 13,45,678 ;$_____ $;$ _____

Write the next numbers in the sequence:

$40,20,300 ; 40,30,400 ; 40,40,500 ;$_____ $;$ _____

Find the greatest and the smallest numbers in the following case:

$13,45,068 ; 7,63,048 ; 27,08,935 ; 27,09,835$