Write the place value of a underlined digit in 8905

Smallest 4 digit number is

Write the successor of 3879

6000 + 700 + 1 = _________

Write the greatest 4 digit number using digits 0,3,7,2

How many tens are there in 60000?

Write the predecessor of 4961

Which is the greatest number when we arrange the numbers 3976,3697,3977,3796 in descending order.

7000 + 200 + 30 + 1 = __________

Write the smallest 4 digit number using the digit 9,1,2,6